| State | Biggest Bordering State | % Correct |
|---|---|---|
| Arizona | California | 99%
|
| California | Arizona | 96%
|
| Florida | Georgia | 93%
|
| Idaho | Montana | 93%
|
| Georgia | Florida | 92%
|
| Arkansas | Texas | 92%
|
| Connecticut | New York | 91%
|
| Alabama | Georgia | 90%
|
| Delaware | Pennsylvania | 85%
|
| Louisiana | Texas | 84%
|
| Maine | New Hampshire | 83%
|
| Colorado | New Mexico | 82%
|
| Massachusetts | New York | 82%
|
| Indiana | Michigan | 81%
|
| Michigan | Wisconsin | 81%
|
| Maryland | Pennsylvania | 80%
|
| Kansas | Colorado | 77%
|
| Nevada | California | 76%
|
| Illinois | Missouri | 76%
|
| New Mexico | Texas | 75%
|
| Minnesota | South Dakota | 74%
|
| Iowa | Minnesota | 73%
|
| New Jersey | New York | 73%
|
| New York | Pennsylvania | 72%
|
| New Hampshire | Maine | 70%
|
| Montana | Wyoming | 70%
|
| North Dakota | Montana | 69%
|
| Oregon | California | 68%
|
| Oklahoma | Texas | 68%
|
| Mississippi | Arkansas | 66%
|
| Kentucky | Missouri | 65%
|
| Pennsylvania | New York | 64%
|
| Rhode Island | Massachusetts | 61%
|
| Ohio | Michigan | 60%
|
| Nebraska | Colorado | 59%
|
| South Carolina | Georgia | 59%
|
| Missouri | Kansas | 58%
|
| South Dakota | Montana | 57%
|
| North Carolina | Georgia | 56%
|
| Texas | New Mexico | 55%
|
| Washington | Oregon | 51%
|
| Vermont | New York | 49%
|
| Utah | New Mexico | 43%
|
| Virginia | North Carolina | 43%
|
| Wyoming | Montana | 42%
|
| Wisconsin | Minnesota | 41%
|
| Tennessee | Missouri | 40%
|
| West Virginia | Pennsylvania | 39%
|