| Rockville to Burley (Idaho) | 1,915.68 mi (3,082.99 km) |
| Rockville to Burlingame (California) | 2,426.98 mi (3,905.84 km) |
| Rockville to Burlington (Iowa) | 748.66 mi (1,204.85 km) |
| Rockville to Burlington (Kentucky) | 405.88 mi (653.21 km) |
| Rockville to Burlington (North Carolina) | 243.33 mi (391.60 km) |
| Rockville to Burlington (Vermont) | 424.47 mi (683.12 km) |
| Rockville to Burlington (Wisconsin) | 630.89 mi (1,015.32 km) |
| Rockville to Burnsville (Minnesota) | 914.99 mi (1,472.53 km) |
| Rockville to Burr Ridge (Illinois) | 594.97 mi (957.52 km) |
| Rockville to Burton (Michigan) | 431.68 mi (694.72 km) |
| Rockville to Burtonsville (Maryland) | 12.00 mi (19.31 km) |
| Rockville to Butler (Pennsylvania) | 190.13 mi (305.99 km) |
| Rockville to Butte (Montana) | 1,852.38 mi (2,981.12 km) |
| Rockville to Byram (Mississippi) | 876.43 mi (1,410.47 km) |
| Rockville to Cabot (Arkansas) | 866.77 mi (1,394.93 km) |
