| South San Francisco to Bound Brook (New Jersey) | 2,543.23 mi (4,092.93 km) |
| South San Francisco to Bountiful (Utah) | 606.34 mi (975.81 km) |
| South San Francisco to Bourbonnais (Illinois) | 1,847.48 mi (2,973.24 km) |
| South San Francisco to Bowie (Maryland) | 2,452.05 mi (3,946.20 km) |
| South San Francisco to Bowling Green (Kentucky) | 1,965.61 mi (3,163.34 km) |
| South San Francisco to Bowling Green (Ohio) | 2,065.13 mi (3,323.51 km) |
| South San Francisco to Box Elder (South Dakota) | 1,100.85 mi (1,771.64 km) |
| South San Francisco to Boynton Beach (Florida) | 2,570.79 mi (4,137.29 km) |
| South San Francisco to Bozeman (Montana) | 805.85 mi (1,296.88 km) |
| South San Francisco to Bradenton (Florida) | 2,403.94 mi (3,868.76 km) |
| South San Francisco to Bradfordville (Florida) | 2,224.01 mi (3,579.20 km) |
| South San Francisco to Bradley (Illinois) | 1,849.29 mi (2,976.15 km) |
| South San Francisco to Bradley Gardens (New Jersey) | 2,536.52 mi (4,082.13 km) |
| South San Francisco to Brainerd (Minnesota) | 1,558.16 mi (2,507.62 km) |
| South San Francisco to Brambleton (Virginia) | 2,410.15 mi (3,878.76 km) |
