| Champaign to Ridgeland (Mississippi) | 541.49 mi (871.45 km) |
| Champaign to Ridgewood (New Jersey) | 745.06 mi (1,199.06 km) |
| Champaign to Rifle (Colorado) | 1,033.40 mi (1,663.09 km) |
| Champaign to Rincon (Georgia) | 667.23 mi (1,073.80 km) |
| Champaign to Ringwood (New Jersey) | 736.66 mi (1,185.54 km) |
| Champaign to Río Grande (Puerto Rico) | 2,008.96 mi (3,233.11 km) |
| Champaign to Rio Grande City (Texas) | 1,125.81 mi (1,811.82 km) |
| Champaign to Rio Linda (California) | 1,763.31 mi (2,837.78 km) |
| Champaign to Rio Rancho (New Mexico) | 1,058.66 mi (1,703.75 km) |
| Champaign to Rio Rico (Arizona) | 1,399.84 mi (2,252.82 km) |
| Champaign to Ripon (California) | 1,763.61 mi (2,838.26 km) |
| Champaign to River Edge (New Jersey) | 748.94 mi (1,205.30 km) |
| Champaign to River Falls (Wisconsin) | 395.72 mi (636.86 km) |
| Champaign to River Forest (Illinois) | 125.30 mi (201.65 km) |
| Champaign to River Grove (Illinois) | 127.11 mi (204.57 km) |
