| Potomac to Aviano | 4,346.46 mi (6,994.95 km) |
| Potomac to Avigliana | 4,157.29 mi (6,690.51 km) |
| Potomac to Avigliano | 4,671.59 mi (7,518.19 km) |
| Potomac to Avola | 4,790.65 mi (7,709.80 km) |
| Potomac to Azzano Decimo | 4,358.25 mi (7,013.92 km) |
| Potomac to Bacoli | 4,596.98 mi (7,398.13 km) |
| Potomac to Badia Polesine | 4,333.24 mi (6,973.67 km) |
| Potomac to Bagheria | 4,671.54 mi (7,518.12 km) |
| Potomac to Bagnacavallo | 4,377.04 mi (7,044.17 km) |
| Potomac to Bagnara Calabra | 4,769.09 mi (7,675.12 km) |
| Potomac to Bagno a Ripoli | 4,371.03 mi (7,034.49 km) |
| Potomac to Bagnolo in Piano | 4,309.41 mi (6,935.33 km) |
| Potomac to Bagnolo Mella | 4,266.00 mi (6,865.47 km) |
| Potomac to Barano d'Ischia | 4,592.65 mi (7,391.16 km) |
| Potomac to Baranzate | 4,216.93 mi (6,786.49 km) |
