| Donegal to Anagni | 1,315.23 mi (2,116.66 km) |
| Donegal to Ancona | 1,231.27 mi (1,981.54 km) |
| Donegal to Andria | 1,449.35 mi (2,332.51 km) |
| Donegal to Angri | 1,415.63 mi (2,278.24 km) |
| Donegal to Anguillara Sabazia | 1,267.74 mi (2,040.23 km) |
| Donegal to Anzio | 1,313.54 mi (2,113.94 km) |
| Donegal to Anzola dell'Emilia | 1,104.96 mi (1,778.26 km) |
| Donegal to Aosta | 915.90 mi (1,473.99 km) |
| Donegal to Apricena | 1,391.10 mi (2,238.75 km) |
| Donegal to Aprilia | 1,306.95 mi (2,103.33 km) |
| Donegal to Aradeo | 1,569.15 mi (2,525.30 km) |
| Donegal to Aragona | 1,570.28 mi (2,527.12 km) |
| Donegal to Arco | 1,027.84 mi (1,654.15 km) |
| Donegal to Arcola | 1,083.38 mi (1,743.54 km) |
| Donegal to Arcore | 987.25 mi (1,588.83 km) |
