| Watertown Town to Borgosatollo | 3,875.94 mi (6,237.72 km) |
| Watertown Town to Borgosesia | 3,783.79 mi (6,089.42 km) |
| Watertown Town to Boscoreale | 4,225.63 mi (6,800.49 km) |
| Watertown Town to Boscotrecase | 4,224.28 mi (6,798.32 km) |
| Watertown Town to Botticino Sera | 3,873.78 mi (6,234.25 km) |
| Watertown Town to Bovalino Marina | 4,400.61 mi (7,082.10 km) |
| Watertown Town to Boves | 3,796.85 mi (6,110.44 km) |
| Watertown Town to Boville Ernica | 4,148.34 mi (6,676.11 km) |
| Watertown Town to Bovisio Masciago | 3,824.82 mi (6,155.45 km) |
| Watertown Town to Bovolone | 3,921.49 mi (6,311.03 km) |
| Watertown Town to Bra | 3,798.16 mi (6,112.55 km) |
| Watertown Town to Bracciano | 4,075.80 mi (6,559.37 km) |
| Watertown Town to Brandizzo | 3,782.43 mi (6,087.23 km) |
| Watertown Town to Breganze | 3,924.86 mi (6,316.45 km) |
| Watertown Town to Brembate | 3,842.46 mi (6,183.83 km) |
