| Silver Spring to Brown Deer (Wisconsin) | 638.42 mi (1,027.44 km) |
| Silver Spring to Brownsburg (Indiana) | 502.78 mi (809.15 km) |
| Silver Spring to Brownsville (Florida) | 929.72 mi (1,496.24 km) |
| Silver Spring to Brownsville (Texas) | 1,485.88 mi (2,391.29 km) |
| Silver Spring to Brownwood (Texas) | 1,331.49 mi (2,142.83 km) |
| Silver Spring to Brunswick (Georgia) | 598.28 mi (962.85 km) |
| Silver Spring to Brunswick (Ohio) | 297.11 mi (478.16 km) |
| Silver Spring to Brushy Creek (Texas) | 1,309.98 mi (2,108.22 km) |
| Silver Spring to Bryan (Texas) | 1,236.28 mi (1,989.60 km) |
| Silver Spring to Bryant (Arkansas) | 906.51 mi (1,458.89 km) |
| Silver Spring to Bryn Mawr-Skyway (Washington) | 2,315.11 mi (3,725.80 km) |
| Silver Spring to Buckeye (Arizona) | 2,009.43 mi (3,233.86 km) |
| Silver Spring to Buckhall (Virginia) | 29.98 mi (48.25 km) |
| Silver Spring to Bucyrus (Ohio) | 339.04 mi (545.63 km) |
| Silver Spring to Buda (Texas) | 1,331.82 mi (2,143.36 km) |
