| Rockville to Boppard | 4,006.78 mi (6,448.29 km) |
| Rockville to Borgentreich | 4,034.50 mi (6,492.89 km) |
| Rockville to Borgholzhausen | 3,982.43 mi (6,409.10 km) |
| Rockville to Borken | 3,933.65 mi (6,330.60 km) |
| Rockville to Borna | 4,174.38 mi (6,718.01 km) |
| Rockville to Bornheim | 3,968.45 mi (6,386.60 km) |
| Rockville to Bosel | 3,944.36 mi (6,347.83 km) |
| Rockville to Bottrop | 3,944.20 mi (6,347.57 km) |
| Rockville to Bovenden | 4,060.04 mi (6,534.01 km) |
| Rockville to Brackenheim | 4,100.16 mi (6,598.57 km) |
| Rockville to Brake | 3,955.71 mi (6,366.10 km) |
| Rockville to Brakel | 4,027.60 mi (6,481.79 km) |
| Rockville to Bramsche | 3,961.89 mi (6,376.04 km) |
| Rockville to Brand | 3,935.02 mi (6,332.81 km) |
| Rockville to Brand-Erbisdorf | 4,214.00 mi (6,781.77 km) |
