| Denver to Ridgeland (Mississippi) | 964.12 mi (1,551.60 km) |
| Denver to Ridgewood (New Jersey) | 1,613.16 mi (2,596.13 km) |
| Denver to Rifle (Colorado) | 154.91 mi (249.30 km) |
| Denver to Rincon (Georgia) | 1,412.84 mi (2,273.75 km) |
| Denver to Ringwood (New Jersey) | 1,603.72 mi (2,580.94 km) |
| Denver to Río Grande (Puerto Rico) | 2,749.84 mi (4,425.44 km) |
| Denver to Rio Grande City (Texas) | 988.11 mi (1,590.21 km) |
| Denver to Rio Linda (California) | 888.51 mi (1,429.92 km) |
| Denver to Rio Rancho (New Mexico) | 324.88 mi (522.84 km) |
| Denver to Rio Rico (Arizona) | 665.95 mi (1,071.75 km) |
| Denver to Ripon (California) | 885.67 mi (1,425.34 km) |
| Denver to River Edge (New Jersey) | 1,617.47 mi (2,603.07 km) |
| Denver to River Falls (Wisconsin) | 717.19 mi (1,154.21 km) |
| Denver to River Forest (Illinois) | 902.26 mi (1,452.05 km) |
| Denver to River Grove (Illinois) | 901.44 mi (1,450.73 km) |
