| San Mateo to Bonham (Texas) | 1,488.39 mi (2,395.34 km) |
| San Mateo to Bonita (California) | 450.57 mi (725.12 km) |
| San Mateo to Bonita Springs (Florida) | 2,477.01 mi (3,986.36 km) |
| San Mateo to Bonney Lake (Washington) | 665.19 mi (1,070.53 km) |
| San Mateo to Boone (Iowa) | 1,533.60 mi (2,468.08 km) |
| San Mateo to Boone (North Carolina) | 2,230.60 mi (3,589.81 km) |
| San Mateo to Borger (Texas) | 1,164.74 mi (1,874.46 km) |
| San Mateo to Bossier City (Louisiana) | 1,650.58 mi (2,656.35 km) |
| San Mateo to Boston (Massachusetts) | 2,692.78 mi (4,333.62 km) |
| San Mateo to Bostonia (California) | 445.60 mi (717.12 km) |
| San Mateo to Bothell (Washington) | 706.24 mi (1,136.59 km) |
| San Mateo to Bothell East (Washington) | 708.53 mi (1,140.26 km) |
| San Mateo to Bothell West (Washington) | 708.45 mi (1,140.14 km) |
| San Mateo to Boulder (Colorado) | 932.99 mi (1,501.50 km) |
| San Mateo to Boulder City (Nevada) | 425.81 mi (685.28 km) |
