| South Portland to Roura | 2,902.27 mi (4,670.76 km) |
| South Portland to Saint-Georges | 2,967.63 mi (4,775.93 km) |
| South Portland to Saint-Laurent-du-Maroni | 2,814.32 mi (4,529.21 km) |
| South Portland to Sinnamary | 2,845.56 mi (4,579.48 km) |
| South Portland to Aachen | 3,456.83 mi (5,563.23 km) |
| South Portland to Aalen | 3,675.98 mi (5,915.91 km) |
| South Portland to Abensberg | 3,747.69 mi (6,031.32 km) |
| South Portland to Achern | 3,599.22 mi (5,792.39 km) |
| South Portland to Achim | 3,509.50 mi (5,647.99 km) |
| South Portland to Adelsdorf | 3,680.44 mi (5,923.10 km) |
| South Portland to Adendorf | 3,557.11 mi (5,724.62 km) |
| South Portland to Aerzen | 3,546.66 mi (5,707.80 km) |
| South Portland to Ahaus | 3,458.06 mi (5,565.21 km) |
| South Portland to Ahlen | 3,501.23 mi (5,634.69 km) |
| South Portland to Ahrensburg | 3,538.32 mi (5,694.37 km) |
