| Sumter to Maryland Heights (Missouri) | 650.57 mi (1,046.98 km) |
| Sumter to Marysville (California) | 2,294.73 mi (3,693.02 km) |
| Sumter to Marysville (Ohio) | 464.17 mi (747.02 km) |
| Sumter to Marysville (Washington) | 2,350.43 mi (3,782.65 km) |
| Sumter to Maryville (Missouri) | 910.23 mi (1,464.88 km) |
| Sumter to Maryville (Tennessee) | 238.61 mi (384.00 km) |
| Sumter to Mason (Ohio) | 432.43 mi (695.93 km) |
| Sumter to Mason City (Iowa) | 938.13 mi (1,509.77 km) |
| Sumter to Massapequa (New York) | 600.29 mi (966.07 km) |
| Sumter to Massapequa Park (New York) | 601.74 mi (968.41 km) |
| Sumter to Massillon (Ohio) | 476.97 mi (767.62 km) |
| Sumter to Mastic (New York) | 629.53 mi (1,013.13 km) |
| Sumter to Mastic Beach (New York) | 627.77 mi (1,010.29 km) |
| Sumter to Matteson (Illinois) | 659.06 mi (1,060.66 km) |
| Sumter to Matthews (North Carolina) | 83.52 mi (134.42 km) |
