| Potomac to Acqui Terme | 4,216.58 mi (6,785.93 km) |
| Potomac to Acri | 4,747.75 mi (7,640.76 km) |
| Potomac to Adelfia | 4,711.73 mi (7,582.80 km) |
| Potomac to Adrano | 4,748.15 mi (7,641.41 km) |
| Potomac to Adria | 4,358.34 mi (7,014.07 km) |
| Potomac to Afragola | 4,603.01 mi (7,407.84 km) |
| Potomac to Agliana | 4,352.19 mi (7,004.17 km) |
| Potomac to Agrate Brianza | 4,225.51 mi (6,800.29 km) |
| Potomac to Agrigento | 4,704.19 mi (7,570.67 km) |
| Potomac to Agropoli | 4,653.52 mi (7,489.12 km) |
| Potomac to Ala | 4,290.36 mi (6,904.67 km) |
| Potomac to Alassio | 4,225.14 mi (6,799.71 km) |
| Potomac to Alatri | 4,530.58 mi (7,291.27 km) |
| Potomac to Alba | 4,196.86 mi (6,754.20 km) |
| Potomac to Albano Laziale | 4,500.53 mi (7,242.90 km) |
