| San Mateo to Baraboo (Wisconsin) | 1,747.32 mi (2,812.05 km) |
| San Mateo to Barberton (Ohio) | 2,170.47 mi (3,493.03 km) |
| San Mateo to Bardstown (Kentucky) | 2,002.10 mi (3,222.07 km) |
| San Mateo to Barrington (Illinois) | 1,828.28 mi (2,942.34 km) |
| San Mateo to Barstow (California) | 347.18 mi (558.73 km) |
| San Mateo to Bartlesville (Oklahoma) | 1,448.48 mi (2,331.10 km) |
| San Mateo to Bartlett (Illinois) | 1,824.58 mi (2,936.37 km) |
| San Mateo to Bartlett (Tennessee) | 1,805.27 mi (2,905.30 km) |
| San Mateo to Bartow (Florida) | 2,426.29 mi (3,904.74 km) |
| San Mateo to Batavia (Illinois) | 1,819.55 mi (2,928.28 km) |
| San Mateo to Batavia (New York) | 2,329.39 mi (3,748.78 km) |
| San Mateo to Batesville (Arkansas) | 1,697.90 mi (2,732.51 km) |
| San Mateo to Baton Rouge (Louisiana) | 1,843.06 mi (2,966.12 km) |
| San Mateo to Battle Creek (Michigan) | 1,976.06 mi (3,180.17 km) |
| San Mateo to Battle Ground (Washington) | 568.37 mi (914.71 km) |
