| State | Smallest Bordering State | % Correct |
|---|---|---|
| California | Oregon | 94%
|
| Arizona | Utah | 91%
|
| Georgia | South Carolina | 89%
|
| Florida | Alabama | 88%
|
| Connecticut | Rhode Island | 86%
|
| Illinois | Indiana | 85%
|
| Alabama | Tennessee | 85%
|
| Delaware | New Jersey | 83%
|
| Idaho | Washington | 82%
|
| Maryland | Delaware | 80%
|
| Maine | New Hampshire | 80%
|
| Massachusetts | Rhode Island | 80%
|
| Louisiana | Mississippi | 74%
|
| Michigan | Indiana | 72%
|
| Colorado | Oklahoma | 72%
|
| Arkansas | Tennessee | 72%
|
| Kentucky | West Virginia | 71%
|
| New Jersey | Delaware | 69%
|
| Indiana | Kentucky | 68%
|
| Montana | North Dakota | 68%
|
| New York | Connecticut | 66%
|
| Kansas | Oklahoma | 66%
|
| Oregon | Washington | 66%
|
| Nebraska | Iowa | 65%
|
| New Hampshire | Vermont | 65%
|
| Rhode Island | Connecticut | 63%
|
| Iowa | Illinois | 63%
|
| Minnesota | Iowa | 63%
|
| Mississippi | Tennessee | 63%
|
| Nevada | Utah | 63%
|
| New Mexico | Oklahoma | 62%
|
| North Carolina | South Carolina | 60%
|
| Oklahoma | Arkansas | 57%
|
| Pennsylvania | Delaware | 57%
|
| Texas | Louisiana | 57%
|
| South Carolina | North Carolina | 57%
|
| North Dakota | South Dakota | 57%
|
| Ohio | West Virginia | 55%
|
| Washington | Idaho | 54%
|
| South Dakota | Iowa | 54%
|
| Missouri | Kentucky | 52%
|
| Vermont | Massachusetts | 52%
|
| Tennessee | Kentucky | 51%
|
| Virginia | Maryland | 51%
|
| Utah | Idaho | 48%
|
| West Virginia | Maryland | 45%
|
| Wisconsin | Illinois | 42%
|
| Wyoming | South Dakota | 37%
|