| San Marino to Murphy (Texas) | 1,237.95 mi (1,992.29 km) |
| San Marino to Murray (Kentucky) | 1,680.63 mi (2,704.71 km) |
| San Marino to Murray (Utah) | 565.54 mi (910.14 km) |
| San Marino to Murraysville (North Carolina) | 2,285.65 mi (3,678.40 km) |
| San Marino to Murrieta (California) | 65.17 mi (104.89 km) |
| San Marino to Murrysville (Pennsylvania) | 2,141.28 mi (3,446.06 km) |
| San Marino to Muscatine (Iowa) | 1,553.18 mi (2,499.60 km) |
| San Marino to Muscle Shoals (Alabama) | 1,730.76 mi (2,785.39 km) |
| San Marino to Muscoy (California) | 43.84 mi (70.55 km) |
| San Marino to Muskego (Wisconsin) | 1,719.47 mi (2,767.23 km) |
| San Marino to Muskegon (Michigan) | 1,816.69 mi (2,923.68 km) |
| San Marino to Muskogee (Oklahoma) | 1,290.98 mi (2,077.63 km) |
| San Marino to Mustang (Oklahoma) | 1,158.63 mi (1,864.64 km) |
| San Marino to Myers Corner (New York) | 2,440.04 mi (3,926.86 km) |
| San Marino to Myrtle Beach (South Carolina) | 2,235.35 mi (3,597.45 km) |
