| Watertown Town to Benisa | 3,636.26 mi (5,851.99 km) |
| Watertown Town to Berga | 3,611.85 mi (5,812.71 km) |
| Watertown Town to Berja | 3,553.87 mi (5,719.39 km) |
| Watertown Town to Bermeo | 3,363.22 mi (5,412.58 km) |
| Watertown Town to Berriozar | 3,428.30 mi (5,517.31 km) |
| Watertown Town to Betanzos | 3,112.76 mi (5,009.50 km) |
| Watertown Town to Betera | 3,583.46 mi (5,767.02 km) |
| Watertown Town to Bilbao | 3,358.71 mi (5,405.31 km) |
| Watertown Town to Binefar | 3,548.48 mi (5,710.73 km) |
| Watertown Town to Binisalem | 3,735.16 mi (6,011.16 km) |
| Watertown Town to Blanes | 3,668.60 mi (5,904.04 km) |
| Watertown Town to Boadilla del Monte | 3,396.79 mi (5,466.60 km) |
| Watertown Town to Boiro | 3,096.48 mi (4,983.31 km) |
| Watertown Town to Bolanos de Calatrava | 3,451.04 mi (5,553.91 km) |
| Watertown Town to Bollullos de la Mitacion | 3,382.99 mi (5,444.40 km) |
