| South San Francisco to Buena Park (California) | 360.59 mi (580.31 km) |
| South San Francisco to Buenaventura Lakes (Florida) | 2,444.42 mi (3,933.91 km) |
| South San Francisco to Buffalo (Minnesota) | 1,558.51 mi (2,508.18 km) |
| South San Francisco to Buffalo (New York) | 2,299.09 mi (3,700.03 km) |
| South San Francisco to Buffalo Grove (Illinois) | 1,839.80 mi (2,960.87 km) |
| South San Francisco to Buford (Georgia) | 2,149.98 mi (3,460.06 km) |
| South San Francisco to Bull Run (Virginia) | 2,413.76 mi (3,884.57 km) |
| South San Francisco to Bullhead City (Arizona) | 471.42 mi (758.68 km) |
| South San Francisco to Burbank (California) | 331.40 mi (533.34 km) |
| South San Francisco to Burbank (Illinois) | 1,850.90 mi (2,978.73 km) |
| South San Francisco to Burien (Washington) | 678.67 mi (1,092.22 km) |
| South San Francisco to Burkburnett (Texas) | 1,354.45 mi (2,179.77 km) |
| South San Francisco to Burke (Virginia) | 2,427.32 mi (3,906.39 km) |
| South San Francisco to Burke Centre (Virginia) | 2,425.20 mi (3,902.98 km) |
| South San Francisco to Burleson (Texas) | 1,457.20 mi (2,345.13 km) |
