| Hackettstown to Amelia | 4,285.20 mi (6,896.37 km) |
| Hackettstown to Anagni | 4,346.78 mi (6,995.46 km) |
| Hackettstown to Ancona | 4,294.49 mi (6,911.31 km) |
| Hackettstown to Andria | 4,503.21 mi (7,247.21 km) |
| Hackettstown to Angri | 4,445.92 mi (7,155.02 km) |
| Hackettstown to Anguillara Sabazia | 4,295.38 mi (6,912.75 km) |
| Hackettstown to Anzio | 4,334.26 mi (6,975.32 km) |
| Hackettstown to Anzola dell'Emilia | 4,162.60 mi (6,699.07 km) |
| Hackettstown to Aosta | 3,957.35 mi (6,368.74 km) |
| Hackettstown to Apricena | 4,444.86 mi (7,153.31 km) |
| Hackettstown to Aprilia | 4,330.27 mi (6,968.89 km) |
| Hackettstown to Aradeo | 4,624.73 mi (7,442.79 km) |
| Hackettstown to Aragona | 4,530.20 mi (7,290.65 km) |
| Hackettstown to Arco | 4,103.16 mi (6,603.39 km) |
| Hackettstown to Arcola | 4,121.45 mi (6,632.83 km) |
