| Belfast to Amelia | 1,174.85 mi (1,890.74 km) |
| Belfast to Anagni | 1,242.21 mi (1,999.14 km) |
| Belfast to Ancona | 1,154.61 mi (1,858.16 km) |
| Belfast to Andria | 1,372.87 mi (2,209.43 km) |
| Belfast to Angri | 1,342.12 mi (2,159.93 km) |
| Belfast to Anguillara Sabazia | 1,195.54 mi (1,924.03 km) |
| Belfast to Anzio | 1,241.84 mi (1,998.54 km) |
| Belfast to Anzola dell'Emilia | 1,029.86 mi (1,657.40 km) |
| Belfast to Aosta | 845.11 mi (1,360.07 km) |
| Belfast to Apricena | 1,314.89 mi (2,116.11 km) |
| Belfast to Aprilia | 1,234.98 mi (1,987.51 km) |
| Belfast to Aradeo | 1,491.99 mi (2,401.12 km) |
| Belfast to Aragona | 1,503.10 mi (2,419.00 km) |
| Belfast to Arco | 950.43 mi (1,529.57 km) |
| Belfast to Arcola | 1,011.32 mi (1,627.57 km) |
