| South San Francisco to Brown Deer (Wisconsin) | 1,838.08 mi (2,958.10 km) |
| South San Francisco to Brownsburg (Indiana) | 1,934.70 mi (3,113.60 km) |
| South San Francisco to Brownsville (Florida) | 2,585.38 mi (4,160.76 km) |
| South San Francisco to Brownsville (Texas) | 1,664.44 mi (2,678.67 km) |
| South San Francisco to Brownwood (Texas) | 1,389.45 mi (2,236.11 km) |
| South San Francisco to Brunswick (Georgia) | 2,358.12 mi (3,795.02 km) |
| South San Francisco to Brunswick (Ohio) | 2,160.51 mi (3,477.00 km) |
| South San Francisco to Brushy Creek (Texas) | 1,490.73 mi (2,399.09 km) |
| South San Francisco to Bryan (Texas) | 1,559.09 mi (2,509.11 km) |
| South San Francisco to Bryant (Arkansas) | 1,676.03 mi (2,697.32 km) |
| South San Francisco to Bryn Mawr-Skyway (Washington) | 680.01 mi (1,094.38 km) |
| South San Francisco to Buckeye (Arizona) | 621.80 mi (1,000.68 km) |
| South San Francisco to Buckhall (Virginia) | 2,418.44 mi (3,892.10 km) |
| South San Francisco to Bucyrus (Ohio) | 2,104.64 mi (3,387.10 km) |
| South San Francisco to Buda (Texas) | 1,498.32 mi (2,411.31 km) |
