State Borders Directory

United States State Borders

Explore the geographical boundaries of all 50 US states.

50
Total States
23
Ocean Borders
20
Landlocked
8
Great Lakes
50 states
All States 🌊 Ocean 🏔️ Landlocked 🏞️ Great Lakes 🌐 International 🔗 6+ Borders
Alabama border map
4 borders
🌊 Ocean

Alabama

AL
Neighbors
Tennessee, Georgia, Florida, Mississippi
Ocean
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Alaska border map
0 borders
🌊 Ocean 🌐 Int'l

Alaska

AK
Neighbors
None
Ocean International
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Arizona border map
5 borders
🌐 Int'l 🏔️ Landlocked

Arizona

AZ
Neighbors
Utah, Colorado, New Mexico, Nevada, California
International Landlocked
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Arkansas border map
6 borders
🏔️ Landlocked

Arkansas

AR
Neighbors
Missouri, Tennessee, Mississippi, Louisiana, Texas, Oklahoma
Landlocked
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California border map
3 borders
🌊 Ocean 🌐 Int'l

California

CA
Neighbors
Oregon, Nevada, Arizona
Ocean International
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Colorado border map
7 borders
🏔️ Landlocked

Colorado

CO
Neighbors
Wyoming, Nebraska, Kansas, Oklahoma, New Mexico, Arizona, Utah
Landlocked
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Connecticut border map
3 borders
🌊 Ocean

Connecticut

CT
Neighbors
Massachusetts, Rhode Island, New York
Ocean
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Delaware border map
2 borders
🌊 Ocean

Delaware

DE
Neighbors
Pennsylvania, Maryland
Ocean
View border details →
Florida border map
2 borders
🌊 Ocean

Florida

FL
Neighbors
Georgia, Alabama
Ocean
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Georgia border map
5 borders
🌊 Ocean

Georgia

GA
Neighbors
Florida, Alabama, Tennessee, North Carolina, South Carolina
Ocean
View border details →
Hawaii border map
0 borders
🌊 Ocean

Hawaii

HI
Neighbors
None
Ocean
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Idaho border map
6 borders
🌐 Int'l 🏔️ Landlocked

Idaho

ID
Neighbors
Montana, Wyoming, Utah, Nevada, Oregon, Washington
International Landlocked
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Illinois border map
5 borders
🏞️ Lakes

Illinois

IL
Neighbors
Wisconsin, Indiana, Kentucky, Missouri, Iowa
Lakes
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Indiana border map
4 borders
🏞️ Lakes

Indiana

IN
Neighbors
Michigan, Ohio, Kentucky, Illinois
Lakes
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Iowa border map
6 borders
🏔️ Landlocked

Iowa

IA
Neighbors
Minnesota, Wisconsin, Illinois, Missouri, Nebraska, South Dakota
Landlocked
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Kansas border map
4 borders
🏔️ Landlocked

Kansas

KS
Neighbors
Nebraska, Missouri, Oklahoma, Colorado
Landlocked
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Kentucky border map
7 borders
🏔️ Landlocked

Kentucky

KY
Neighbors
Illinois, Indiana, Ohio, West Virginia, Virginia, Tennessee, Missouri
Landlocked
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Louisiana border map
3 borders
🌊 Ocean

Louisiana

LA
Neighbors
Arkansas, Mississippi, Texas
Ocean
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Maine border map
1 border
🌊 Ocean 🌐 Int'l

Maine

ME
Neighbors
New Hampshire
Ocean International
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Maryland border map
4 borders
🌊 Ocean

Maryland

MD
Neighbors
Pennsylvania, Delaware, Virginia, West Virginia
Ocean
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Massachusetts border map
5 borders
🌊 Ocean

Massachusetts

MA
Neighbors
Vermont, New Hampshire, Rhode Island, Connecticut, New York
Ocean
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Michigan border map
3 borders
🏞️ Lakes 🌐 Int'l

Michigan

MI
Neighbors
Wisconsin, Indiana, Ohio
Lakes International
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Minnesota border map
4 borders
🏞️ Lakes 🌐 Int'l

Minnesota

MN
Neighbors
Wisconsin, Iowa, South Dakota, North Dakota
Lakes International
View border details →
Mississippi border map
4 borders
🌊 Ocean

Mississippi

MS
Neighbors
Tennessee, Alabama, Louisiana, Arkansas
Ocean
View border details →
Missouri border map
8 borders
🏔️ Landlocked

Missouri

MO
Neighbors
Iowa, Illinois, Kentucky, Tennessee, Arkansas, Oklahoma, Kansas, Nebraska
Landlocked
View border details →
Montana border map
3 borders
🌐 Int'l 🏔️ Landlocked

Montana

MT
Neighbors
Idaho, Wyoming, North Dakota, South Dakota
International Landlocked
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Nebraska border map
6 borders
🏔️ Landlocked

Nebraska

NE
Neighbors
South Dakota, Iowa, Missouri, Kansas, Colorado, Wyoming
Landlocked
View border details →
Nevada border map
5 borders
🏔️ Landlocked

Nevada

NV
Neighbors
Oregon, Idaho, Utah, Arizona, California
Landlocked
View border details →
New Hampshire border map
3 borders
🌊 Ocean 🌐 Int'l

New Hampshire

NH
Neighbors
Maine, Massachusetts, Vermont
Ocean International
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New Jersey border map
3 borders
🌊 Ocean

New Jersey

NJ
Neighbors
New York, Pennsylvania, Delaware
Ocean
View border details →
New Mexico border map
5 borders
🌐 Int'l 🏔️ Landlocked

New Mexico

NM
Neighbors
Colorado, Oklahoma, Texas, Arizona, Utah
International Landlocked
View border details →
New York border map
5 borders
🌊 Ocean 🏞️ Lakes 🌐 Int'l

New York

NY
Neighbors
Vermont, Massachusetts, Connecticut, Pennsylvania, New Jersey
Ocean Lakes International
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North Carolina border map
4 borders
🌊 Ocean

North Carolina

NC
Neighbors
Virginia, Tennessee, Georgia, South Carolina
Ocean
View border details →
North Dakota border map
3 borders
🌐 Int'l 🏔️ Landlocked

North Dakota

ND
Neighbors
Montana, South Dakota, Minnesota
International Landlocked
View border details →
Ohio border map
5 borders
🏞️ Lakes

Ohio

OH
Neighbors
Michigan, Pennsylvania, West Virginia, Kentucky, Indiana
Lakes
View border details →
Oklahoma border map
6 borders
🏔️ Landlocked

Oklahoma

OK
Neighbors
Kansas, Missouri, Arkansas, Texas, New Mexico, Colorado
Landlocked
View border details →
Oregon border map
4 borders
🌊 Ocean

Oregon

OR
Neighbors
Washington, Idaho, Nevada, California
Ocean
View border details →
Pennsylvania border map
6 borders
🏞️ Lakes

Pennsylvania

PA
Neighbors
New York, New Jersey, Delaware, Maryland, West Virginia, Ohio
Lakes
View border details →
Rhode Island border map
2 borders
🌊 Ocean

Rhode Island

RI
Neighbors
Connecticut, Massachusetts
Ocean
View border details →
South Carolina border map
2 borders
🌊 Ocean

South Carolina

SC
Neighbors
North Carolina, Georgia
Ocean
View border details →
South Dakota border map
6 borders
🏔️ Landlocked

South Dakota

SD
Neighbors
North Dakota, Minnesota, Iowa, Nebraska, Wyoming, Montana
Landlocked
View border details →
Tennessee border map
8 borders
🏔️ Landlocked

Tennessee

TN
Neighbors
Kentucky, Virginia, North Carolina, Georgia, Alabama, Mississippi, Arkansas, Missouri
Landlocked
View border details →
Texas border map
4 borders
🌊 Ocean 🌐 Int'l

Texas

TX
Neighbors
Oklahoma, Arkansas, Louisiana, New Mexico
Ocean International
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Utah border map
5 borders
🏔️ Landlocked

Utah

UT
Neighbors
Idaho, Wyoming, Colorado, Arizona, Nevada
Landlocked
View border details →
Vermont border map
3 borders
🌐 Int'l 🏔️ Landlocked

Vermont

VT
Neighbors
New Hampshire, Massachusetts, New York
International Landlocked
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Virginia border map
5 borders
🌊 Ocean

Virginia

VA
Neighbors
Maryland, West Virginia, Kentucky, Tennessee, North Carolina
Ocean
View border details →
Washington border map
2 borders
🌊 Ocean 🌐 Int'l

Washington

WA
Neighbors
Idaho, Oregon
Ocean International
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West Virginia border map
5 borders
🏔️ Landlocked

West Virginia

WV
Neighbors
Virginia, Kentucky, Ohio, Pennsylvania, Maryland
Landlocked
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Wisconsin border map
4 borders
🏞️ Lakes

Wisconsin

WI
Neighbors
Michigan, Illinois, Iowa, Minnesota
Lakes
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Wyoming border map
6 borders
🏔️ Landlocked

Wyoming

WY
Neighbors
Montana, Idaho, Utah, Colorado, Nebraska, South Dakota
Landlocked
View border details →

About State Borders

State borders define the official boundaries between US states, established through historical treaties, surveys, and Congressional acts.

Border Records

  • 🏆 Most Borders: Missouri & Tennessee (8 each)
  • 📍 Four Corners: AZ, CO, NM, UT meet at one point
  • 🏝️ Island States: Alaska & Hawaii (no land borders)

Quick Stats

International Borders 15
Great Lakes States 8
Landlocked States 20
Browse All States