| Southborough to Amelia | 824.70 mi (1,327.23 km) |
| Southborough to Anagni | 891.96 mi (1,435.47 km) |
| Southborough to Ancona | 807.72 mi (1,299.90 km) |
| Southborough to Andria | 1,025.64 mi (1,650.61 km) |
| Southborough to Angri | 992.12 mi (1,596.66 km) |
| Southborough to Anguillara Sabazia | 845.02 mi (1,359.92 km) |
| Southborough to Anzio | 891.23 mi (1,434.30 km) |
| Southborough to Anzola dell'Emilia | 681.03 mi (1,096.02 km) |
| Southborough to Aosta | 494.54 mi (795.88 km) |
| Southborough to Apricena | 967.30 mi (1,556.73 km) |
| Southborough to Aprilia | 884.42 mi (1,423.34 km) |
| Southborough to Aradeo | 1,145.72 mi (1,843.86 km) |
| Southborough to Aragona | 1,153.61 mi (1,856.56 km) |
| Southborough to Arco | 604.99 mi (973.64 km) |
| Southborough to Arcola | 660.75 mi (1,063.37 km) |
