| Highlands Ranch to Rosemont (California) | 880.67 mi (1,417.31 km) |
| Highlands Ranch to Rosemount (Minnesota) | 706.95 mi (1,137.73 km) |
| Highlands Ranch to Rosenberg (Texas) | 863.87 mi (1,390.26 km) |
| Highlands Ranch to Roseville (California) | 876.33 mi (1,410.32 km) |
| Highlands Ranch to Roseville (Michigan) | 1,163.23 mi (1,872.04 km) |
| Highlands Ranch to Roseville (Minnesota) | 711.59 mi (1,145.20 km) |
| Highlands Ranch to Rossmoor (California) | 826.98 mi (1,330.89 km) |
| Highlands Ranch to Rossville (Maryland) | 1,513.88 mi (2,436.35 km) |
| Highlands Ranch to Roswell (Georgia) | 1,199.37 mi (1,930.21 km) |
| Highlands Ranch to Roswell (New Mexico) | 426.93 mi (687.08 km) |
| Highlands Ranch to Round Lake (Illinois) | 899.61 mi (1,447.78 km) |
| Highlands Ranch to Round Lake Beach (Illinois) | 901.16 mi (1,450.27 km) |
| Highlands Ranch to Round Rock (Texas) | 746.92 mi (1,202.05 km) |
| Highlands Ranch to Rowland Heights (California) | 811.06 mi (1,305.27 km) |
| Highlands Ranch to Rowlett (Texas) | 655.11 mi (1,054.30 km) |
