| San Marino to Malvern (Arkansas) | 1,440.89 mi (2,318.88 km) |
| San Marino to Manassas (Virginia) | 2,262.33 mi (3,640.87 km) |
| San Marino to Manassas Park (Virginia) | 2,264.40 mi (3,644.20 km) |
| San Marino to Manatí (Puerto Rico) | 3,339.27 mi (5,374.04 km) |
| San Marino to Manchester (Missouri) | 1,560.64 mi (2,511.61 km) |
| San Marino to Manchester (New Hampshire) | 2,560.39 mi (4,120.55 km) |
| San Marino to Manchester (Tennessee) | 1,812.14 mi (2,916.36 km) |
| San Marino to Manchester (Virginia) | 2,267.87 mi (3,649.79 km) |
| San Marino to Mandan (North Dakota) | 1,255.84 mi (2,021.08 km) |
| San Marino to Mandeville (Louisiana) | 1,652.55 mi (2,659.52 km) |
| San Marino to Mango (Florida) | 2,149.91 mi (3,459.95 km) |
| San Marino to Manhattan (Kansas) | 1,239.11 mi (1,994.16 km) |
| San Marino to Manhattan (New York) | 2,438.53 mi (3,924.43 km) |
| San Marino to Manhattan Beach (California) | 22.87 mi (36.80 km) |
| San Marino to Manitowoc (Wisconsin) | 1,758.30 mi (2,829.71 km) |
