| Watertown to Amelia | 4,213.78 mi (6,781.42 km) |
| Watertown to Anagni | 4,276.91 mi (6,883.02 km) |
| Watertown to Ancona | 4,217.51 mi (6,787.43 km) |
| Watertown to Andria | 4,429.65 mi (7,128.84 km) |
| Watertown to Angri | 4,377.05 mi (7,044.18 km) |
| Watertown to Anguillara Sabazia | 4,225.85 mi (6,800.84 km) |
| Watertown to Anzio | 4,266.33 mi (6,866.00 km) |
| Watertown to Anzola dell'Emilia | 4,086.05 mi (6,575.86 km) |
| Watertown to Aosta | 3,882.29 mi (6,247.94 km) |
| Watertown to Apricena | 4,370.98 mi (7,034.42 km) |
| Watertown to Aprilia | 4,261.83 mi (6,858.75 km) |
| Watertown to Aradeo | 4,551.43 mi (7,324.82 km) |
| Watertown to Aragona | 4,474.33 mi (7,200.73 km) |
| Watertown to Arco | 4,022.12 mi (6,472.97 km) |
| Watertown to Arcola | 4,048.50 mi (6,515.43 km) |
