| Watertown Town to Ayamonte | 3,325.29 mi (5,351.53 km) |
| Watertown Town to Azcoitia | 3,389.09 mi (5,454.21 km) |
| Watertown Town to Azpeitia | 3,391.09 mi (5,457.44 km) |
| Watertown Town to Azuqueca de Henares | 3,420.77 mi (5,505.19 km) |
| Watertown Town to Badajoz | 3,294.16 mi (5,301.43 km) |
| Watertown Town to Badalona | 3,650.57 mi (5,875.03 km) |
| Watertown Town to Baena | 3,462.27 mi (5,571.99 km) |
| Watertown Town to Baeza | 3,491.59 mi (5,619.18 km) |
| Watertown Town to Bailen | 3,473.92 mi (5,590.74 km) |
| Watertown Town to Balaguer | 3,573.64 mi (5,751.21 km) |
| Watertown Town to Banolas | 3,653.34 mi (5,879.49 km) |
| Watertown Town to Baranain | 3,429.55 mi (5,519.33 km) |
| Watertown Town to Barbadanes | 3,152.50 mi (5,073.46 km) |
| Watertown Town to Barbastro | 3,534.81 mi (5,688.73 km) |
| Watertown Town to Barcelona | 3,649.59 mi (5,873.44 km) |
