| Rockville to Beverly Hills (California) | 2,294.64 mi (3,692.86 km) |
| Rockville to Beverly Hills (Florida) | 764.78 mi (1,230.79 km) |
| Rockville to Beverly Hills (Michigan) | 397.06 mi (639.01 km) |
| Rockville to Bexley (Ohio) | 313.90 mi (505.17 km) |
| Rockville to Biddeford (Maine) | 461.18 mi (742.19 km) |
| Rockville to Big Bear City (California) | 2,204.15 mi (3,547.24 km) |
| Rockville to Big Lake (Minnesota) | 950.17 mi (1,529.15 km) |
| Rockville to Big Spring (Texas) | 1,439.79 mi (2,317.11 km) |
| Rockville to Billings (Montana) | 1,654.74 mi (2,663.05 km) |
| Rockville to Biloxi (Mississippi) | 895.63 mi (1,441.38 km) |
| Rockville to Binghamton (New York) | 218.52 mi (351.68 km) |
| Rockville to Birmingham (Alabama) | 659.34 mi (1,061.10 km) |
| Rockville to Birmingham (Michigan) | 396.88 mi (638.72 km) |
| Rockville to Bismarck (North Dakota) | 1,301.67 mi (2,094.83 km) |
| Rockville to Bithlo (Florida) | 761.14 mi (1,224.94 km) |
