| Potomac to Roura | 2,834.22 mi (4,561.24 km) |
| Potomac to Saint-Georges | 2,901.17 mi (4,668.98 km) |
| Potomac to Saint-Laurent-du-Maroni | 2,730.66 mi (4,394.57 km) |
| Potomac to Sinnamary | 2,773.72 mi (4,463.87 km) |
| Potomac to Aachen | 3,935.76 mi (6,334.00 km) |
| Potomac to Aalen | 4,154.56 mi (6,686.12 km) |
| Potomac to Abensberg | 4,226.54 mi (6,801.95 km) |
| Potomac to Achern | 4,077.29 mi (6,561.76 km) |
| Potomac to Achim | 3,988.83 mi (6,419.41 km) |
| Potomac to Adelsdorf | 4,159.51 mi (6,694.09 km) |
| Potomac to Adendorf | 4,036.33 mi (6,495.84 km) |
| Potomac to Aerzen | 4,026.07 mi (6,479.33 km) |
| Potomac to Ahaus | 3,937.42 mi (6,336.66 km) |
| Potomac to Ahlen | 3,980.58 mi (6,406.13 km) |
| Potomac to Ahrensburg | 4,017.43 mi (6,465.43 km) |
