| Frederick to Bound Brook (New Jersey) | 171.18 mi (275.48 km) |
| Frederick to Bountiful (Utah) | 1,810.29 mi (2,913.38 km) |
| Frederick to Bourbonnais (Illinois) | 564.06 mi (907.77 km) |
| Frederick to Bowie (Maryland) | 48.94 mi (78.76 km) |
| Frederick to Bowling Green (Kentucky) | 518.35 mi (834.21 km) |
| Frederick to Bowling Green (Ohio) | 354.38 mi (570.32 km) |
| Frederick to Box Elder (South Dakota) | 1,355.53 mi (2,181.51 km) |
| Frederick to Boynton Beach (Florida) | 904.86 mi (1,456.23 km) |
| Frederick to Bozeman (Montana) | 1,751.73 mi (2,819.14 km) |
| Frederick to Bradenton (Florida) | 876.78 mi (1,411.05 km) |
| Frederick to Bradfordville (Florida) | 722.30 mi (1,162.43 km) |
| Frederick to Bradley (Illinois) | 562.16 mi (904.70 km) |
| Frederick to Bradley Gardens (New Jersey) | 165.23 mi (265.90 km) |
| Frederick to Brainerd (Minnesota) | 972.09 mi (1,564.43 km) |
| Frederick to Brambleton (Virginia) | 31.96 mi (51.43 km) |
