| Watertown Town to Boekel | 3,507.07 mi (5,644.08 km) |
| Watertown Town to Bolsward | 3,465.28 mi (5,576.82 km) |
| Watertown Town to Borger | 3,517.70 mi (5,661.19 km) |
| Watertown Town to Borne | 3,531.94 mi (5,684.11 km) |
| Watertown Town to Boskoop | 3,454.92 mi (5,560.16 km) |
| Watertown Town to Boxmeer | 3,517.07 mi (5,660.17 km) |
| Watertown Town to Boxtel | 3,494.19 mi (5,623.35 km) |
| Watertown Town to Breda | 3,471.76 mi (5,587.26 km) |
| Watertown Town to Breukelen | 3,466.29 mi (5,578.45 km) |
| Watertown Town to Brielle | 3,439.75 mi (5,535.74 km) |
| Watertown Town to Bronkhorst | 3,515.20 mi (5,657.17 km) |
| Watertown Town to Brummen | 3,513.89 mi (5,655.06 km) |
| Watertown Town to Brunssum | 3,535.96 mi (5,690.57 km) |
| Watertown Town to Bunnik | 3,478.48 mi (5,598.07 km) |
| Watertown Town to Burgum | 3,480.14 mi (5,600.74 km) |
