| Highlands Ranch to Decatur (Alabama) | 1,046.97 mi (1,684.93 km) |
| Highlands Ranch to Decatur (Georgia) | 1,210.01 mi (1,947.33 km) |
| Highlands Ranch to Decatur (Illinois) | 851.66 mi (1,370.61 km) |
| Highlands Ranch to Deer Park (New York) | 1,664.46 mi (2,678.68 km) |
| Highlands Ranch to Deer Park (Texas) | 880.51 mi (1,417.05 km) |
| Highlands Ranch to Deerfield (Illinois) | 911.19 mi (1,466.42 km) |
| Highlands Ranch to Deerfield Beach (Florida) | 1,697.57 mi (2,731.97 km) |
| Highlands Ranch to Defiance (Ohio) | 1,088.05 mi (1,751.05 km) |
| Highlands Ranch to DeForest (Wisconsin) | 847.76 mi (1,364.34 km) |
| Highlands Ranch to DeKalb (Illinois) | 863.82 mi (1,390.19 km) |
| Highlands Ranch to Del Aire (California) | 836.35 mi (1,345.97 km) |
| Highlands Ranch to Del City (Oklahoma) | 500.10 mi (804.83 km) |
| Highlands Ranch to Del Rio (Texas) | 740.15 mi (1,191.16 km) |
| Highlands Ranch to DeLand (Florida) | 1,528.30 mi (2,459.56 km) |
| Highlands Ranch to Delano (California) | 823.12 mi (1,324.69 km) |
