| Sumter to Morris (Illinois) | 675.54 mi (1,087.18 km) |
| Sumter to Morristown (New Jersey) | 574.14 mi (923.99 km) |
| Sumter to Morristown (Tennessee) | 226.95 mi (365.24 km) |
| Sumter to Morrisville (North Carolina) | 158.07 mi (254.39 km) |
| Sumter to Morro Bay (California) | 2,285.37 mi (3,677.95 km) |
| Sumter to Morton (Illinois) | 678.66 mi (1,092.19 km) |
| Sumter to Morton Grove (Illinois) | 689.06 mi (1,108.93 km) |
| Sumter to Moscow (Idaho) | 2,096.47 mi (3,373.94 km) |
| Sumter to Moses Lake (Washington) | 2,207.17 mi (3,552.09 km) |
| Sumter to Moss Bluff (Louisiana) | 790.00 mi (1,271.38 km) |
| Sumter to Moss Point (Mississippi) | 533.93 mi (859.28 km) |
| Sumter to Moultrie (Georgia) | 274.91 mi (442.43 km) |
| Sumter to Mounds View (Minnesota) | 1,027.89 mi (1,654.23 km) |
| Sumter to Mount Airy (North Carolina) | 177.95 mi (286.38 km) |
| Sumter to Mount Clemens (Michigan) | 613.21 mi (986.87 km) |
