| Distance | State pairs | % Correct |
|---|---|---|
| 19.52 km | Connecticut - New Jersey | 66%
|
| 34.37 km | Maine - Vermont | 64%
|
| 24.88 km | Massachusetts - Maine | 64%
|
| 72.04 km | Montana - Washington | 58%
|
| 73.35 km | Florida - Mississippi | 56%
|
| 19.18 km | Maryland - New Jersey | 53%
|
| 28 km | Pennsylvania - Virginia | 52%
|
| 77.42 km | New Hampshire - Rhode Island | 51%
|
| 48.53 km | Delaware - Virginia | 50%
|
| Connecticut - Vermont | 48%
| |
| Kansas - Texas | 48%
| |
| 62.74 | New York - Ohio | 48%
|
| 52.78 km | Colorado - Texas | 44%
|
| 66.47 km | New Hampshire - New York | 40%
|
| 77.03 km | Connecticut - New Hampshire | 38%
|
| 58.14 km | Illinois - Michigan | 37%
|
| 56.55 km | Illinois - Tennessee | 33%
|
| 22.82 km | Michigan - Minnesota | 28%
|
| 51.99 km | Arkansas - Kentucky | 24%
|
| 55.8 km | Arkansas - Kansas | 23%
|
| 68.51 km | North Carolina - West Virginia | 22%
|
| 50 km | Iowa - Kansas | 21%
|
| 65.62 km | Tennessee - West Virginia | 21%
|
| 85.74 km | Kansas - New Mexico | 18%
|
| 80.13 km | Louisiana - Oklahoma | 18%
|
| 90.4 km | Minnesota - Nebraska | 14%
|
| 60.35 | Arkansas - Oklahoma | 4%
|
| 59.35 km | New Hampshire - Pennsylvania | 4%
|