| San Marino to Beeville (Texas) | 1,263.28 mi (2,033.05 km) |
| San Marino to Bel Air (Maryland) | 2,318.96 mi (3,732.01 km) |
| San Marino to Bel Air North (Maryland) | 2,317.42 mi (3,729.52 km) |
| San Marino to Bel Air South (Maryland) | 2,320.97 mi (3,735.24 km) |
| San Marino to Belgrade (Montana) | 884.44 mi (1,423.37 km) |
| San Marino to Bell (California) | 10.55 mi (16.97 km) |
| San Marino to Bell Gardens (California) | 11.05 mi (17.78 km) |
| San Marino to Bella Vista (Arkansas) | 1,350.80 mi (2,173.90 km) |
| San Marino to Bellair-Meadowbrook Terrace (Florida) | 2,134.02 mi (3,434.38 km) |
| San Marino to Bellaire (Texas) | 1,360.03 mi (2,188.76 km) |
| San Marino to Belle Chasse (Louisiana) | 1,667.92 mi (2,684.26 km) |
| San Marino to Belle Glade (Florida) | 2,276.43 mi (3,663.56 km) |
| San Marino to Bellefontaine (Ohio) | 1,925.13 mi (3,098.20 km) |
| San Marino to Bellefontaine Neighbors (Missouri) | 1,576.24 mi (2,536.71 km) |
| San Marino to Belleville (Illinois) | 1,588.31 mi (2,556.14 km) |
