| South Portland to Amelia | 3,986.91 mi (6,416.31 km) |
| South Portland to Anagni | 4,048.81 mi (6,515.94 km) |
| South Portland to Ancona | 3,995.22 mi (6,429.68 km) |
| South Portland to Andria | 4,204.57 mi (6,766.60 km) |
| South Portland to Angri | 4,148.19 mi (6,675.87 km) |
| South Portland to Anguillara Sabazia | 3,997.47 mi (6,433.31 km) |
| South Portland to Anzio | 4,036.70 mi (6,496.45 km) |
| South Portland to Anzola dell'Emilia | 3,863.37 mi (6,217.50 km) |
| South Portland to Aosta | 3,658.30 mi (5,887.47 km) |
| South Portland to Apricena | 4,146.15 mi (6,672.58 km) |
| South Portland to Aprilia | 4,032.60 mi (6,489.84 km) |
| South Portland to Aradeo | 4,326.17 mi (6,962.31 km) |
| South Portland to Aragona | 4,235.81 mi (6,816.88 km) |
| South Portland to Arco | 3,803.27 mi (6,120.77 km) |
| South Portland to Arcola | 3,822.82 mi (6,152.24 km) |
