| Highlands Ranch to Dixon (California) | 906.89 mi (1,459.50 km) |
| Highlands Ranch to Dixon (Illinois) | 825.79 mi (1,328.98 km) |
| Highlands Ranch to Dobbs Ferry (New York) | 1,633.91 mi (2,629.52 km) |
| Highlands Ranch to Doctor Phillips (Florida) | 1,541.18 mi (2,480.29 km) |
| Highlands Ranch to Dodge City (Kansas) | 294.14 mi (473.38 km) |
| Highlands Ranch to Dolton (Illinois) | 921.30 mi (1,482.68 km) |
| Highlands Ranch to Donna (Texas) | 1,007.96 mi (1,622.15 km) |
| Highlands Ranch to Dorado (Puerto Rico) | 2,723.66 mi (4,383.30 km) |
| Highlands Ranch to Doral (Florida) | 1,708.02 mi (2,748.80 km) |
| Highlands Ranch to Doraville (Georgia) | 1,207.35 mi (1,943.04 km) |
| Highlands Ranch to Dothan (Alabama) | 1,238.78 mi (1,993.63 km) |
| Highlands Ranch to Douglas (Arizona) | 620.80 mi (999.08 km) |
| Highlands Ranch to Douglas (Georgia) | 1,357.20 mi (2,184.20 km) |
| Highlands Ranch to Douglasville (Georgia) | 1,189.75 mi (1,914.71 km) |
| Highlands Ranch to Dover (Delaware) | 1,566.63 mi (2,521.25 km) |
