| Red Bluff to Ridgeland (Mississippi) | 1,854.17 mi (2,984.01 km) |
| Red Bluff to Ridgewood (New Jersey) | 2,493.64 mi (4,013.13 km) |
| Red Bluff to Rifle (Colorado) | 767.83 mi (1,235.70 km) |
| Red Bluff to Rincon (Georgia) | 2,327.52 mi (3,745.78 km) |
| Red Bluff to Ringwood (New Jersey) | 2,483.26 mi (3,996.43 km) |
| Red Bluff to Río Grande (Puerto Rico) | 3,647.87 mi (5,870.69 km) |
| Red Bluff to Rio Grande City (Texas) | 1,646.26 mi (2,649.40 km) |
| Red Bluff to Rio Linda (California) | 111.19 mi (178.94 km) |
| Red Bluff to Rio Rancho (New Mexico) | 912.42 mi (1,468.40 km) |
| Red Bluff to Rio Rico (Arizona) | 868.57 mi (1,397.82 km) |
| Red Bluff to Ripon (California) | 178.29 mi (286.93 km) |
| Red Bluff to River Edge (New Jersey) | 2,498.36 mi (4,020.72 km) |
| Red Bluff to River Falls (Wisconsin) | 1,533.61 mi (2,468.11 km) |
| Red Bluff to River Forest (Illinois) | 1,785.91 mi (2,874.14 km) |
| Red Bluff to River Grove (Illinois) | 1,784.69 mi (2,872.18 km) |
