| San Marino to Beverly Hills (California) | 16.80 mi (27.04 km) |
| San Marino to Beverly Hills (Florida) | 2,119.94 mi (3,411.71 km) |
| San Marino to Beverly Hills (Michigan) | 1,961.66 mi (3,156.99 km) |
| San Marino to Bexley (Ohio) | 1,968.30 mi (3,167.67 km) |
| San Marino to Biddeford (Maine) | 2,609.10 mi (4,198.94 km) |
| San Marino to Big Bear City (California) | 76.15 mi (122.55 km) |
| San Marino to Big Lake (Minnesota) | 1,500.25 mi (2,414.43 km) |
| San Marino to Big Spring (Texas) | 969.52 mi (1,560.29 km) |
| San Marino to Billings (Montana) | 950.36 mi (1,529.45 km) |
| San Marino to Biloxi (Mississippi) | 1,716.38 mi (2,762.25 km) |
| San Marino to Binghamton (New York) | 2,334.63 mi (3,757.22 km) |
| San Marino to Birmingham (Alabama) | 1,790.88 mi (2,882.15 km) |
| San Marino to Birmingham (Michigan) | 1,963.11 mi (3,159.33 km) |
| San Marino to Bismarck (North Dakota) | 1,259.59 mi (2,027.12 km) |
| San Marino to Bithlo (Florida) | 2,205.02 mi (3,548.63 km) |
