| State | ... and the largest neighboring state | % Correct |
|---|---|---|
| California | Arizona | 100%
|
| Kansas | Colorado | 100%
|
| Alabama | Florida | 100%
|
| South Carolina | Georgia | 100%
|
| Tennessee | Georgia | 100%
|
| Missouri | Kansas | 100%
|
| New Hampshire | Maine | 100%
|
| Rhode Island | Massachusetts | 100%
|
| Ohio | Michigan | 100%
|
| Wisconsin | MIchigan | 100%
|
| Illinois | Missouri | 100%
|
| Idaho | Montana | 100%
|
| Wyoming | Montana | 100%
|
| Colorado | New Mexico | 100%
|
| Texas | New Mexico | 100%
|
| Connecticut | New York | 100%
|
| Massachusetts | New York | 100%
|
| Vermont | New York | 100%
|
| Virginia | North Carolina | 100%
|
| West Virginia | Ohio | 100%
|
| Arkansas | Texas | 100%
|
| Luizjana | Texas | 100%
|
| New Mexico | Texas | 100%
|
| Oklahoma | Texas | 100%
|
| Montana | Wyoming | 100%
|
| North Dakota | Montana | 92%
|
| Oregon | California | 91%
|
| Nebraska | Colorado | 90%
|
| Arizona | California | 88%
|
| Utah | Arizona | 83%
|
| Iowa | Minnesota | 83%
|
| Georgia | Florida | 80%
|
| South Dakota | Montana | 80%
|
| Michigan | Wisconsin | 80%
|
| North Carolina | Georgia | 75%
|
| Indiana | Michigan | 75%
|
| Maine | New Hampshire | 75%
|
| Minnesota | South Dakota | 75%
|
| Maryland | Pennsylvania | 67%
|
| New Jeresy | Pennsylvania | 67%
|
| Kentucky | Missouri | 60%
|
| Mississippi | Arkansas | 50%
|
| Nevada | California | 50%
|
| Pennsylvania | New York | 50%
|
| Delaware | Pennsylvania | 50%
|
| Washington | Utah | 25%
|
| New York | Pennsylvania | 0%
|