| Highlands Ranch to River Ridge (Louisiana) | 1,065.05 mi (1,714.03 km) |
| Highlands Ranch to Riverbank (California) | 869.97 mi (1,400.08 km) |
| Highlands Ranch to Riverdale (Georgia) | 1,210.27 mi (1,947.74 km) |
| Highlands Ranch to Riverdale (Illinois) | 919.36 mi (1,479.57 km) |
| Highlands Ranch to Riverside (California) | 788.32 mi (1,268.68 km) |
| Highlands Ranch to Riverside (Ohio) | 1,106.55 mi (1,780.81 km) |
| Highlands Ranch to Riverton (Utah) | 375.94 mi (605.02 km) |
| Highlands Ranch to Riverton (Wyoming) | 300.68 mi (483.90 km) |
| Highlands Ranch to Riverview (Florida) | 1,527.58 mi (2,458.41 km) |
| Highlands Ranch to Riverview (Michigan) | 1,149.17 mi (1,849.41 km) |
| Highlands Ranch to Riviera Beach (Florida) | 1,679.73 mi (2,703.27 km) |
| Highlands Ranch to Riviera Beach (Maryland) | 1,513.60 mi (2,435.91 km) |
| Highlands Ranch to Roanoke (Virginia) | 1,358.77 mi (2,186.74 km) |
| Highlands Ranch to Roanoke Rapids (North Carolina) | 1,497.14 mi (2,409.42 km) |
| Highlands Ranch to Robbinsdale (Minnesota) | 704.25 mi (1,133.38 km) |
