| San Mateo to Bound Brook (New Jersey) | 2,540.09 mi (4,087.88 km) |
| San Mateo to Bountiful (Utah) | 604.00 mi (972.04 km) |
| San Mateo to Bourbonnais (Illinois) | 1,844.14 mi (2,967.86 km) |
| San Mateo to Bowie (Maryland) | 2,448.43 mi (3,940.37 km) |
| San Mateo to Bowling Green (Kentucky) | 1,961.02 mi (3,155.95 km) |
| San Mateo to Bowling Green (Ohio) | 2,061.93 mi (3,318.36 km) |
| San Mateo to Box Elder (South Dakota) | 1,099.29 mi (1,769.14 km) |
| San Mateo to Boynton Beach (Florida) | 2,564.34 mi (4,126.91 km) |
| San Mateo to Bozeman (Montana) | 807.03 mi (1,298.78 km) |
| San Mateo to Bradenton (Florida) | 2,397.46 mi (3,858.33 km) |
| San Mateo to Bradfordville (Florida) | 2,217.99 mi (3,569.52 km) |
| San Mateo to Bradley (Illinois) | 1,845.95 mi (2,970.76 km) |
| San Mateo to Bradley Gardens (New Jersey) | 2,533.37 mi (4,077.07 km) |
| San Mateo to Brainerd (Minnesota) | 1,556.86 mi (2,505.53 km) |
| San Mateo to Brambleton (Virginia) | 2,406.50 mi (3,872.88 km) |
