| Frederick to Blue Island (Illinois) | 560.13 mi (901.44 km) |
| Frederick to Blue Springs (Missouri) | 901.50 mi (1,450.82 km) |
| Frederick to Bluffdale (Utah) | 1,818.25 mi (2,926.18 km) |
| Frederick to Bluffton (Indiana) | 419.83 mi (675.65 km) |
| Frederick to Bluffton (South Carolina) | 536.25 mi (863.01 km) |
| Frederick to Blythe (California) | 2,089.09 mi (3,362.06 km) |
| Frederick to Blytheville (Arkansas) | 723.84 mi (1,164.91 km) |
| Frederick to Boca Raton (Florida) | 915.56 mi (1,473.45 km) |
| Frederick to Boerne (Texas) | 1,378.31 mi (2,218.18 km) |
| Frederick to Bogalusa (Louisiana) | 921.72 mi (1,483.37 km) |
| Frederick to Boiling Springs (South Carolina) | 393.54 mi (633.34 km) |
| Frederick to Boise (Idaho) | 2,010.11 mi (3,234.96 km) |
| Frederick to Bolingbrook (Illinois) | 581.83 mi (936.37 km) |
| Frederick to Bolivar (Missouri) | 873.09 mi (1,405.11 km) |
| Frederick to Bon Air (Virginia) | 132.59 mi (213.38 km) |
