| Watertown to Boppard | 3,740.77 mi (6,020.19 km) |
| Watertown to Borgentreich | 3,761.05 mi (6,052.82 km) |
| Watertown to Borgholzhausen | 3,708.00 mi (5,967.45 km) |
| Watertown to Borken | 3,661.97 mi (5,893.36 km) |
| Watertown to Borna | 3,898.63 mi (6,274.24 km) |
| Watertown to Bornheim | 3,701.01 mi (5,956.20 km) |
| Watertown to Bosel | 3,666.75 mi (5,901.07 km) |
| Watertown to Bottrop | 3,673.71 mi (5,912.26 km) |
| Watertown to Bovenden | 3,785.69 mi (6,092.49 km) |
| Watertown to Brackenheim | 3,836.86 mi (6,174.83 km) |
| Watertown to Brake | 3,676.25 mi (5,916.36 km) |
| Watertown to Brakel | 3,753.64 mi (6,040.91 km) |
| Watertown to Bramsche | 3,686.64 mi (5,933.07 km) |
| Watertown to Brand | 3,668.67 mi (5,904.15 km) |
| Watertown to Brand-Erbisdorf | 3,938.11 mi (6,337.77 km) |
