| Watertown Town to Amelia | 4,069.98 mi (6,550.01 km) |
| Watertown Town to Anagni | 4,131.46 mi (6,648.95 km) |
| Watertown Town to Ancona | 4,079.68 mi (6,565.61 km) |
| Watertown Town to Andria | 4,288.10 mi (6,901.03 km) |
| Watertown Town to Angri | 4,230.55 mi (6,808.41 km) |
| Watertown Town to Anguillara Sabazia | 4,080.06 mi (6,566.22 km) |
| Watertown Town to Anzio | 4,118.86 mi (6,628.66 km) |
| Watertown Town to Anzola dell'Emilia | 3,947.78 mi (6,353.34 km) |
| Watertown Town to Aosta | 3,742.44 mi (6,022.87 km) |
| Watertown Town to Apricena | 4,229.78 mi (6,807.17 km) |
| Watertown Town to Aprilia | 4,114.89 mi (6,622.27 km) |
| Watertown Town to Aradeo | 4,409.59 mi (7,096.55 km) |
| Watertown Town to Aragona | 4,314.64 mi (6,943.75 km) |
| Watertown Town to Arco | 3,888.80 mi (6,258.41 km) |
| Watertown Town to Arcola | 3,906.35 mi (6,286.66 km) |
