| South Portland to Antwerp | 3,377.52 mi (5,435.59 km) |
| South Portland to Anzegem | 3,350.29 mi (5,391.77 km) |
| South Portland to Ardooie | 3,334.95 mi (5,367.08 km) |
| South Portland to Arendonk | 3,402.26 mi (5,475.41 km) |
| South Portland to Arlon | 3,476.41 mi (5,594.74 km) |
| South Portland to Asse | 3,377.74 mi (5,435.95 km) |
| South Portland to Assebroek | 3,331.73 mi (5,361.90 km) |
| South Portland to Assenede | 3,351.01 mi (5,392.92 km) |
| South Portland to Ath | 3,367.61 mi (5,419.64 km) |
| South Portland to Aubange | 3,479.22 mi (5,599.26 km) |
| South Portland to Avelgem | 3,350.41 mi (5,391.97 km) |
| South Portland to Awans | 3,434.87 mi (5,527.89 km) |
| South Portland to Aywaille | 3,448.64 mi (5,550.05 km) |
| South Portland to Balen | 3,408.89 mi (5,486.07 km) |
| South Portland to Bassenge | 3,438.23 mi (5,533.29 km) |
