| Frederick to Bixby (Oklahoma) | 1,035.86 mi (1,667.06 km) |
| Frederick to Black Forest (Colorado) | 1,453.32 mi (2,338.89 km) |
| Frederick to Blackfoot (Idaho) | 1,817.91 mi (2,925.64 km) |
| Frederick to Blackhawk (California) | 2,379.76 mi (3,829.85 km) |
| Frederick to Blacksburg (Virginia) | 223.28 mi (359.33 km) |
| Frederick to Blackwells Mills (New Jersey) | 165.67 mi (266.62 km) |
| Frederick to Blaine (Minnesota) | 897.04 mi (1,443.65 km) |
| Frederick to Bloomingdale (Florida) | 845.31 mi (1,360.40 km) |
| Frederick to Bloomingdale (Illinois) | 585.20 mi (941.78 km) |
| Frederick to Bloomington (California) | 2,226.26 mi (3,582.81 km) |
| Frederick to Bloomington (Illinois) | 615.83 mi (991.08 km) |
| Frederick to Bloomington (Indiana) | 487.33 mi (784.28 km) |
| Frederick to Bloomington (Minnesota) | 894.01 mi (1,438.78 km) |
| Frederick to Bloomsburg (Pennsylvania) | 119.61 mi (192.49 km) |
| Frederick to Blue Ash (Ohio) | 372.50 mi (599.48 km) |
