| Frederick to Buena Park (California) | 2,263.56 mi (3,642.85 km) |
| Frederick to Buenaventura Lakes (Florida) | 799.22 mi (1,286.22 km) |
| Frederick to Buffalo (Minnesota) | 927.31 mi (1,492.36 km) |
| Frederick to Buffalo (New York) | 250.96 mi (403.88 km) |
| Frederick to Buffalo Grove (Illinois) | 582.62 mi (937.64 km) |
| Frederick to Buford (Georgia) | 516.70 mi (831.55 km) |
| Frederick to Bull Run (Virginia) | 45.51 mi (73.24 km) |
| Frederick to Bullhead City (Arizona) | 2,048.49 mi (3,296.73 km) |
| Frederick to Burbank (California) | 2,272.16 mi (3,656.68 km) |
| Frederick to Burbank (Illinois) | 565.85 mi (910.65 km) |
| Frederick to Burien (Washington) | 2,286.80 mi (3,680.25 km) |
| Frederick to Burkburnett (Texas) | 1,224.77 mi (1,971.07 km) |
| Frederick to Burke (Virginia) | 46.07 mi (74.14 km) |
| Frederick to Burke Centre (Virginia) | 44.87 mi (72.22 km) |
| Frederick to Burleson (Texas) | 1,208.64 mi (1,945.11 km) |
