| Sumter to Marrero (Louisiana) | 634.69 mi (1,021.44 km) |
| Sumter to Marshall (Minnesota) | 1,095.29 mi (1,762.70 km) |
| Sumter to Marshall (Missouri) | 794.93 mi (1,279.31 km) |
| Sumter to Marshall (Texas) | 811.81 mi (1,306.48 km) |
| Sumter to Marshalltown (Iowa) | 879.96 mi (1,416.15 km) |
| Sumter to Marshfield (Wisconsin) | 905.38 mi (1,457.06 km) |
| Sumter to Martha Lake (Washington) | 2,351.47 mi (3,784.33 km) |
| Sumter to Martin (Tennessee) | 505.63 mi (813.73 km) |
| Sumter to Martinez (California) | 2,330.43 mi (3,750.47 km) |
| Sumter to Martinez (Georgia) | 102.17 mi (164.43 km) |
| Sumter to Martinsburg (West Virginia) | 404.07 mi (650.30 km) |
| Sumter to Martinsville (Indiana) | 504.82 mi (812.43 km) |
| Sumter to Martinsville (New Jersey) | 560.33 mi (901.76 km) |
| Sumter to Martinsville (Virginia) | 191.89 mi (308.81 km) |
| Sumter to Maryland City (Maryland) | 408.46 mi (657.35 km) |
