| Redding to Ridgeland (Mississippi) | 1,863.93 mi (2,999.71 km) |
| Redding to Ridgewood (New Jersey) | 2,491.79 mi (4,010.15 km) |
| Redding to Rifle (Colorado) | 774.14 mi (1,245.86 km) |
| Redding to Rincon (Georgia) | 2,334.32 mi (3,756.72 km) |
| Redding to Ringwood (New Jersey) | 2,481.34 mi (3,993.33 km) |
| Redding to Río Grande (Puerto Rico) | 3,657.75 mi (5,886.58 km) |
| Redding to Rio Grande City (Texas) | 1,665.04 mi (2,679.63 km) |
| Redding to Rio Linda (California) | 139.02 mi (223.74 km) |
| Redding to Rio Rancho (New Mexico) | 926.85 mi (1,491.63 km) |
| Redding to Rio Rico (Arizona) | 891.34 mi (1,434.47 km) |
| Redding to Ripon (California) | 206.28 mi (331.97 km) |
| Redding to River Edge (New Jersey) | 2,496.54 mi (4,017.79 km) |
| Redding to River Falls (Wisconsin) | 1,529.62 mi (2,461.68 km) |
| Redding to River Forest (Illinois) | 1,785.21 mi (2,873.02 km) |
| Redding to River Grove (Illinois) | 1,783.96 mi (2,871.01 km) |
