| Highlands Ranch to Dallas (Oregon) | 1,006.51 mi (1,619.82 km) |
| Highlands Ranch to Dallas (Texas) | 652.73 mi (1,050.47 km) |
| Highlands Ranch to Dalton (Georgia) | 1,146.80 mi (1,845.59 km) |
| Highlands Ranch to Daly City (California) | 951.77 mi (1,531.73 km) |
| Highlands Ranch to Damascus (Maryland) | 1,476.99 mi (2,376.99 km) |
| Highlands Ranch to Damascus (Oregon) | 975.99 mi (1,570.70 km) |
| Highlands Ranch to Dana Point (California) | 820.57 mi (1,320.58 km) |
| Highlands Ranch to Danbury (Connecticut) | 1,651.52 mi (2,657.86 km) |
| Highlands Ranch to Dania Beach (Florida) | 1,706.53 mi (2,746.39 km) |
| Highlands Ranch to Danville (California) | 923.27 mi (1,485.86 km) |
| Highlands Ranch to Danville (Illinois) | 920.41 mi (1,481.26 km) |
| Highlands Ranch to Danville (Indiana) | 980.89 mi (1,578.59 km) |
| Highlands Ranch to Danville (Kentucky) | 1,096.04 mi (1,763.91 km) |
| Highlands Ranch to Danville (Virginia) | 1,400.69 mi (2,254.20 km) |
| Highlands Ranch to Daphne (Alabama) | 1,142.83 mi (1,839.21 km) |
