| Rio Maior to Amelia | 1,133.03 mi (1,823.44 km) |
| Rio Maior to Anagni | 1,168.60 mi (1,880.67 km) |
| Rio Maior to Ancona | 1,195.22 mi (1,923.51 km) |
| Rio Maior to Andria | 1,331.81 mi (2,143.34 km) |
| Rio Maior to Angri | 1,243.25 mi (2,000.81 km) |
| Rio Maior to Anguillara Sabazia | 1,123.49 mi (1,808.08 km) |
| Rio Maior to Anzio | 1,141.02 mi (1,836.30 km) |
| Rio Maior to Anzola dell'Emilia | 1,092.03 mi (1,757.45 km) |
| Rio Maior to Aosta | 935.64 mi (1,505.77 km) |
| Rio Maior to Apricena | 1,285.86 mi (2,069.39 km) |
| Rio Maior to Aprilia | 1,142.22 mi (1,838.22 km) |
| Rio Maior to Aradeo | 1,433.67 mi (2,307.28 km) |
| Rio Maior to Aragona | 1,225.72 mi (1,972.61 km) |
| Rio Maior to Arco | 1,101.48 mi (1,772.66 km) |
| Rio Maior to Arcola | 1,023.13 mi (1,646.58 km) |
