| San Marino to Middletown (New York) | 2,412.33 mi (3,882.26 km) |
| San Marino to Middletown (Ohio) | 1,891.90 mi (3,044.73 km) |
| San Marino to Midland (Michigan) | 1,921.29 mi (3,092.01 km) |
| San Marino to Midland (Texas) | 936.55 mi (1,507.24 km) |
| San Marino to Midlothian (Illinois) | 1,726.28 mi (2,778.18 km) |
| San Marino to Midlothian (Texas) | 1,223.13 mi (1,968.44 km) |
| San Marino to Midlothian (Virginia) | 2,261.78 mi (3,639.98 km) |
| San Marino to Midvale (Utah) | 563.48 mi (906.84 km) |
| San Marino to Midway (Florida) | 1,827.19 mi (2,940.57 km) |
| San Marino to Midwest City (Oklahoma) | 1,178.40 mi (1,896.45 km) |
| San Marino to Milford (Delaware) | 2,371.84 mi (3,817.11 km) |
| San Marino to Milford city (Connecticut) | 2,483.64 mi (3,997.03 km) |
| San Marino to Milford Mill (Maryland) | 2,297.51 mi (3,697.49 km) |
| San Marino to Mililani Mauka (Hawaii) | 2,570.28 mi (4,136.46 km) |
| San Marino to Mililani Town (Hawaii) | 2,572.37 mi (4,139.82 km) |
