| South San Francisco to Baraboo (Wisconsin) | 1,749.88 mi (2,816.17 km) |
| South San Francisco to Barberton (Ohio) | 2,173.72 mi (3,498.27 km) |
| South San Francisco to Bardstown (Kentucky) | 2,006.41 mi (3,229.00 km) |
| South San Francisco to Barrington (Illinois) | 1,831.31 mi (2,947.20 km) |
| South San Francisco to Barstow (California) | 355.84 mi (572.67 km) |
| South San Francisco to Bartlesville (Oklahoma) | 1,453.63 mi (2,339.39 km) |
| South San Francisco to Bartlett (Illinois) | 1,827.66 mi (2,941.33 km) |
| South San Francisco to Bartlett (Tennessee) | 1,810.55 mi (2,913.79 km) |
| South San Francisco to Bartow (Florida) | 2,432.64 mi (3,914.96 km) |
| South San Francisco to Batavia (Illinois) | 1,822.67 mi (2,933.31 km) |
| South San Francisco to Batavia (New York) | 2,332.00 mi (3,753.00 km) |
| South San Francisco to Batesville (Arkansas) | 1,703.13 mi (2,740.92 km) |
| South San Francisco to Baton Rouge (Louisiana) | 1,849.66 mi (2,976.75 km) |
| South San Francisco to Battle Creek (Michigan) | 1,979.01 mi (3,184.90 km) |
| South San Francisco to Battle Ground (Washington) | 561.27 mi (903.27 km) |
