| State | Smallest Bordering State | % Correct |
|---|---|---|
| California | Oregon | 94%
|
| Arizona | Utah | 91%
|
| Georgia | South Carolina | 89%
|
| Florida | Alabama | 88%
|
| Connecticut | Rhode Island | 86%
|
| Alabama | Tennessee | 86%
|
| Illinois | Indiana | 84%
|
| Delaware | New Jersey | 84%
|
| Idaho | Washington | 83%
|
| Maryland | Delaware | 81%
|
| Maine | New Hampshire | 81%
|
| Massachusetts | Rhode Island | 81%
|
| Louisiana | Mississippi | 75%
|
| Michigan | Indiana | 73%
|
| Colorado | Oklahoma | 73%
|
| Arkansas | Tennessee | 73%
|
| Kentucky | West Virginia | 72%
|
| New Jersey | Delaware | 70%
|
| Indiana | Kentucky | 69%
|
| Montana | North Dakota | 69%
|
| New York | Connecticut | 67%
|
| Kansas | Oklahoma | 67%
|
| Oregon | Washington | 67%
|
| Nebraska | Iowa | 66%
|
| New Hampshire | Vermont | 66%
|
| Rhode Island | Connecticut | 64%
|
| Iowa | Illinois | 64%
|
| Minnesota | Iowa | 64%
|
| Mississippi | Tennessee | 64%
|
| Nevada | Utah | 64%
|
| New Mexico | Oklahoma | 63%
|
| North Carolina | South Carolina | 61%
|
| Oklahoma | Arkansas | 58%
|
| Pennsylvania | Delaware | 58%
|
| Texas | Louisiana | 58%
|
| South Carolina | North Carolina | 58%
|
| North Dakota | South Dakota | 58%
|
| Ohio | West Virginia | 56%
|
| Washington | Idaho | 55%
|
| South Dakota | Iowa | 55%
|
| Missouri | Kentucky | 53%
|
| Vermont | Massachusetts | 53%
|
| Tennessee | Kentucky | 52%
|
| Virginia | Maryland | 52%
|
| Utah | Idaho | 48%
|
| West Virginia | Maryland | 45%
|
| Wisconsin | Illinois | 42%
|
| Wyoming | South Dakota | 38%
|