| Southborough to Roura | 4,397.63 mi (7,077.31 km) |
| Southborough to Saint-Georges | 4,424.99 mi (7,121.34 km) |
| Southborough to Saint-Laurent-du-Maroni | 4,419.52 mi (7,112.54 km) |
| Southborough to Sinnamary | 4,384.61 mi (7,056.35 km) |
| Southborough to Aachen | 254.49 mi (409.56 km) |
| Southborough to Aalen | 465.01 mi (748.36 km) |
| Southborough to Abensberg | 539.26 mi (867.85 km) |
| Southborough to Achern | 388.37 mi (625.02 km) |
| Southborough to Achim | 394.37 mi (634.68 km) |
| Southborough to Adelsdorf | 477.87 mi (769.06 km) |
| Southborough to Adendorf | 454.90 mi (732.09 km) |
| Southborough to Aerzen | 390.75 mi (628.86 km) |
| Southborough to Ahaus | 295.55 mi (475.65 km) |
| Southborough to Ahlen | 330.76 mi (532.31 km) |
| Southborough to Ahrensburg | 454.39 mi (731.27 km) |
