| Sumter to Rockport (Texas) | 1,067.34 mi (1,717.72 km) |
| Sumter to Rockville (Maryland) | 398.24 mi (640.91 km) |
| Sumter to Rockville Centre (New York) | 594.34 mi (956.49 km) |
| Sumter to Rockwall (Texas) | 926.93 mi (1,491.74 km) |
| Sumter to Rocky Mount (North Carolina) | 202.85 mi (326.46 km) |
| Sumter to Rocky Point (New York) | 632.75 mi (1,018.31 km) |
| Sumter to Rocky River (Ohio) | 526.40 mi (847.16 km) |
| Sumter to Roessleville (New York) | 702.32 mi (1,130.27 km) |
| Sumter to Rogers (Arkansas) | 794.00 mi (1,277.81 km) |
| Sumter to Rogers (Minnesota) | 1,044.72 mi (1,681.32 km) |
| Sumter to Rohnert Park (California) | 2,359.28 mi (3,796.90 km) |
| Sumter to Rolla (Missouri) | 692.90 mi (1,115.12 km) |
| Sumter to Rolling Meadows (Illinois) | 698.35 mi (1,123.88 km) |
| Sumter to Roma (Texas) | 1,224.65 mi (1,970.89 km) |
| Sumter to Rome (Georgia) | 275.14 mi (442.79 km) |
