| Frederick to Beltsville (Maryland) | 37.92 mi (61.03 km) |
| Frederick to Belvedere Park (Georgia) | 546.01 mi (878.72 km) |
| Frederick to Belvidere (Illinois) | 628.85 mi (1,012.04 km) |
| Frederick to Bemidji (Minnesota) | 1,033.97 mi (1,664.02 km) |
| Frederick to Benbrook (Texas) | 1,209.89 mi (1,947.13 km) |
| Frederick to Bend (Oregon) | 2,258.21 mi (3,634.24 km) |
| Frederick to Benicia (California) | 2,387.47 mi (3,842.26 km) |
| Frederick to Bensenville (Illinois) | 578.08 mi (930.34 km) |
| Frederick to Bensville (Maryland) | 60.46 mi (97.30 km) |
| Frederick to Benton (Arkansas) | 899.66 mi (1,447.86 km) |
| Frederick to Bentonville (Arkansas) | 939.75 mi (1,512.38 km) |
| Frederick to Berea (Kentucky) | 392.81 mi (632.17 km) |
| Frederick to Berea (Ohio) | 269.60 mi (433.88 km) |
| Frederick to Berea (South Carolina) | 419.78 mi (675.57 km) |
| Frederick to Bergenfield (New Jersey) | 207.62 mi (334.13 km) |
