| Watertown Town to Ames | 3,102.62 mi (4,993.18 km) |
| Watertown Town to Amorebieta | 3,368.48 mi (5,421.04 km) |
| Watertown Town to Amposta | 3,596.89 mi (5,788.63 km) |
| Watertown Town to Amurrio | 3,360.84 mi (5,408.74 km) |
| Watertown Town to Andoain | 3,401.53 mi (5,474.23 km) |
| Watertown Town to Andraitx | 3,719.48 mi (5,985.93 km) |
| Watertown Town to Andujar | 3,461.63 mi (5,570.96 km) |
| Watertown Town to Antequera | 3,469.80 mi (5,584.11 km) |
| Watertown Town to Antigua | 3,295.70 mi (5,303.91 km) |
| Watertown Town to Aranda de Duero | 3,368.19 mi (5,420.58 km) |
| Watertown Town to Aranjuez | 3,420.98 mi (5,505.54 km) |
| Watertown Town to Archena | 3,591.47 mi (5,779.91 km) |
| Watertown Town to Arcos de la Frontera | 3,417.98 mi (5,500.70 km) |
| Watertown Town to Arenys de Mar | 3,660.43 mi (5,890.89 km) |
| Watertown Town to Arenys de Munt | 3,658.99 mi (5,888.58 km) |
