| Sumter to Rome (New York) | 693.80 mi (1,116.56 km) |
| Sumter to Romeoville (Illinois) | 677.31 mi (1,090.02 km) |
| Sumter to Romulus (Michigan) | 594.69 mi (957.06 km) |
| Sumter to Ronkonkoma (New York) | 619.38 mi (996.80 km) |
| Sumter to Roosevelt (New York) | 597.01 mi (960.80 km) |
| Sumter to Rosamond (California) | 2,144.23 mi (3,450.81 km) |
| Sumter to Rosaryville (Maryland) | 388.07 mi (624.53 km) |
| Sumter to Roscoe (Illinois) | 749.30 mi (1,205.88 km) |
| Sumter to Rose Hill (Virginia) | 381.50 mi (613.96 km) |
| Sumter to Roseburg (Oregon) | 2,379.10 mi (3,828.78 km) |
| Sumter to Rosedale (California) | 2,193.80 mi (3,530.58 km) |
| Sumter to Rosedale (Maryland) | 429.94 mi (691.93 km) |
| Sumter to Roselle (Illinois) | 695.30 mi (1,118.98 km) |
| Sumter to Roselle (New Jersey) | 573.07 mi (922.26 km) |
| Sumter to Roselle Park (New Jersey) | 573.54 mi (923.02 km) |
