| San Mateo to Brown Deer (Wisconsin) | 1,835.41 mi (2,953.80 km) |
| San Mateo to Brownsburg (Indiana) | 1,930.96 mi (3,107.58 km) |
| San Mateo to Brownsville (Florida) | 2,578.80 mi (4,150.18 km) |
| San Mateo to Brownsville (Texas) | 1,656.39 mi (2,665.70 km) |
| San Mateo to Brownwood (Texas) | 1,382.43 mi (2,224.81 km) |
| San Mateo to Brunswick (Georgia) | 2,352.42 mi (3,785.86 km) |
| San Mateo to Brunswick (Ohio) | 2,157.31 mi (3,471.86 km) |
| San Mateo to Brushy Creek (Texas) | 1,483.52 mi (2,387.50 km) |
| San Mateo to Bryan (Texas) | 1,552.05 mi (2,497.79 km) |
| San Mateo to Bryant (Arkansas) | 1,670.40 mi (2,688.26 km) |
| San Mateo to Bryn Mawr-Skyway (Washington) | 686.98 mi (1,105.59 km) |
| San Mateo to Buckeye (Arizona) | 613.50 mi (987.34 km) |
| San Mateo to Buckhall (Virginia) | 2,414.73 mi (3,886.13 km) |
| San Mateo to Bucyrus (Ohio) | 2,101.29 mi (3,381.70 km) |
| San Mateo to Buda (Texas) | 1,491.00 mi (2,399.53 km) |
