| Belfast to Ascoli Piceno | 1,196.61 mi (1,925.76 km) |
| Belfast to Asola | 969.96 mi (1,561.01 km) |
| Belfast to Asolo | 991.44 mi (1,595.57 km) |
| Belfast to Assemini | 1,265.24 mi (2,036.21 km) |
| Belfast to Assisi | 1,153.16 mi (1,855.83 km) |
| Belfast to Asti | 917.09 mi (1,475.92 km) |
| Belfast to Atessa | 1,266.46 mi (2,038.17 km) |
| Belfast to Atri | 1,223.81 mi (1,969.53 km) |
| Belfast to Atripalda | 1,340.43 mi (2,157.21 km) |
| Belfast to Augusta | 1,558.87 mi (2,508.77 km) |
| Belfast to Aulla | 1,008.02 mi (1,622.25 km) |
| Belfast to Aurisina | 1,058.90 mi (1,704.14 km) |
| Belfast to Avellino | 1,339.24 mi (2,155.30 km) |
| Belfast to Aversa | 1,317.65 mi (2,120.55 km) |
| Belfast to Avezzano | 1,234.97 mi (1,987.50 km) |
