| Highlands Ranch to Ridgeland (Mississippi) | 961.81 mi (1,547.89 km) |
| Highlands Ranch to Ridgewood (New Jersey) | 1,621.57 mi (2,609.66 km) |
| Highlands Ranch to Rifle (Colorado) | 149.30 mi (240.28 km) |
| Highlands Ranch to Rincon (Georgia) | 1,414.16 mi (2,275.86 km) |
| Highlands Ranch to Ringwood (New Jersey) | 1,612.20 mi (2,594.58 km) |
| Highlands Ranch to Río Grande (Puerto Rico) | 2,749.16 mi (4,424.35 km) |
| Highlands Ranch to Rio Grande City (Texas) | 976.06 mi (1,570.81 km) |
| Highlands Ranch to Rio Linda (California) | 883.71 mi (1,422.20 km) |
| Highlands Ranch to Rio Rancho (New Mexico) | 308.85 mi (497.05 km) |
| Highlands Ranch to Rio Rico (Arizona) | 650.45 mi (1,046.79 km) |
| Highlands Ranch to Ripon (California) | 879.71 mi (1,415.75 km) |
| Highlands Ranch to River Edge (New Jersey) | 1,625.85 mi (2,616.56 km) |
| Highlands Ranch to River Falls (Wisconsin) | 729.85 mi (1,174.59 km) |
| Highlands Ranch to River Forest (Illinois) | 911.16 mi (1,466.37 km) |
| Highlands Ranch to River Grove (Illinois) | 910.38 mi (1,465.11 km) |
