| Sumter to Ridgefield Park (New Jersey) | 591.77 mi (952.37 km) |
| Sumter to Ridgeland (Mississippi) | 573.51 mi (922.97 km) |
| Sumter to Ridgewood (New Jersey) | 595.80 mi (958.85 km) |
| Sumter to Rifle (Colorado) | 1,557.94 mi (2,507.25 km) |
| Sumter to Rincon (Georgia) | 123.64 mi (198.97 km) |
| Sumter to Ringwood (New Jersey) | 597.65 mi (961.83 km) |
| Sumter to Río Grande (Puerto Rico) | 1,400.37 mi (2,253.67 km) |
| Sumter to Rio Grande City (Texas) | 1,215.95 mi (1,956.89 km) |
| Sumter to Rio Linda (California) | 2,289.58 mi (3,684.72 km) |
| Sumter to Rio Rancho (New Mexico) | 1,494.35 mi (2,404.92 km) |
| Sumter to Rio Rico (Arizona) | 1,779.99 mi (2,864.61 km) |
| Sumter to Ripon (California) | 2,278.86 mi (3,667.48 km) |
| Sumter to River Edge (New Jersey) | 595.13 mi (957.77 km) |
| Sumter to River Falls (Wisconsin) | 995.67 mi (1,602.38 km) |
| Sumter to River Forest (Illinois) | 682.05 mi (1,097.65 km) |
