| Southborough to Ames | 706.95 mi (1,137.72 km) |
| Southborough to Amorebieta | 566.30 mi (911.37 km) |
| Southborough to Amposta | 722.13 mi (1,162.15 km) |
| Southborough to Amurrio | 580.67 mi (934.50 km) |
| Southborough to Andoain | 559.10 mi (899.79 km) |
| Southborough to Andraitx | 807.17 mi (1,299.02 km) |
| Southborough to Andujar | 930.66 mi (1,497.75 km) |
| Southborough to Antequera | 1,005.43 mi (1,618.09 km) |
| Southborough to Antigua | 1,737.62 mi (2,796.42 km) |
| Southborough to Aranda de Duero | 680.97 mi (1,095.92 km) |
| Southborough to Aranjuez | 790.89 mi (1,272.82 km) |
| Southborough to Archena | 904.53 mi (1,455.70 km) |
| Southborough to Arcos de la Frontera | 1,039.43 mi (1,672.79 km) |
| Southborough to Arenys de Mar | 670.59 mi (1,079.20 km) |
| Southborough to Arenys de Munt | 668.40 mi (1,075.68 km) |
