| Aiken to Ridgeland (Mississippi) | 493.90 mi (794.86 km) |
| Aiken to Ridgewood (New Jersey) | 663.07 mi (1,067.11 km) |
| Aiken to Rifle (Colorado) | 1,498.37 mi (2,411.39 km) |
| Aiken to Rincon (Georgia) | 90.01 mi (144.86 km) |
| Aiken to Ringwood (New Jersey) | 664.03 mi (1,068.65 km) |
| Aiken to Río Grande (Puerto Rico) | 1,435.00 mi (2,309.41 km) |
| Aiken to Rio Grande City (Texas) | 1,134.26 mi (1,825.42 km) |
| Aiken to Rio Linda (California) | 2,227.72 mi (3,585.18 km) |
| Aiken to Rio Rancho (New Mexico) | 1,424.85 mi (2,293.08 km) |
| Aiken to Rio Rico (Arizona) | 1,705.05 mi (2,744.01 km) |
| Aiken to Ripon (California) | 2,215.37 mi (3,565.30 km) |
| Aiken to River Edge (New Jersey) | 662.80 mi (1,066.67 km) |
| Aiken to River Falls (Wisconsin) | 974.50 mi (1,568.31 km) |
| Aiken to River Forest (Illinois) | 666.57 mi (1,072.74 km) |
| Aiken to River Grove (Illinois) | 668.79 mi (1,076.32 km) |
