| Boston to Ascoli Piceno | 938.30 mi (1,510.04 km) |
| Boston to Asola | 712.90 mi (1,147.31 km) |
| Boston to Asolo | 729.02 mi (1,173.24 km) |
| Boston to Assemini | 1,037.99 mi (1,670.48 km) |
| Boston to Assisi | 896.70 mi (1,443.09 km) |
| Boston to Asti | 670.37 mi (1,078.85 km) |
| Boston to Atessa | 1,008.10 mi (1,622.38 km) |
| Boston to Atri | 965.24 mi (1,553.41 km) |
| Boston to Atripalda | 1,083.96 mi (1,744.46 km) |
| Boston to Augusta | 1,310.25 mi (2,108.64 km) |
| Boston to Aulla | 756.41 mi (1,217.33 km) |
| Boston to Aurisina | 794.22 mi (1,278.17 km) |
| Boston to Avellino | 1,082.87 mi (1,742.70 km) |
| Boston to Aversa | 1,062.68 mi (1,710.22 km) |
| Boston to Avezzano | 979.21 mi (1,575.88 km) |
