| Port Royal to Amelia | 4,895.29 mi (7,878.20 km) |
| Port Royal to Anagni | 4,954.53 mi (7,973.54 km) |
| Port Royal to Ancona | 4,911.43 mi (7,904.18 km) |
| Port Royal to Andria | 5,114.87 mi (8,231.60 km) |
| Port Royal to Angri | 5,051.83 mi (8,130.14 km) |
| Port Royal to Anguillara Sabazia | 4,902.98 mi (7,890.58 km) |
| Port Royal to Anzio | 4,939.55 mi (7,949.43 km) |
| Port Royal to Anzola dell'Emilia | 4,779.68 mi (7,692.16 km) |
| Port Royal to Aosta | 4,573.68 mi (7,360.63 km) |
| Port Royal to Apricena | 5,057.22 mi (8,138.81 km) |
| Port Royal to Aprilia | 4,936.25 mi (7,944.12 km) |
| Port Royal to Aradeo | 5,235.47 mi (8,425.68 km) |
| Port Royal to Aragona | 5,117.58 mi (8,235.94 km) |
| Port Royal to Arco | 4,725.82 mi (7,605.47 km) |
| Port Royal to Arcola | 4,734.32 mi (7,619.16 km) |
