| Highlands Ranch to Darby (Pennsylvania) | 1,571.54 mi (2,529.15 km) |
| Highlands Ranch to Dardenne Prairie (Missouri) | 764.08 mi (1,229.66 km) |
| Highlands Ranch to Darien (Illinois) | 902.02 mi (1,451.66 km) |
| Highlands Ranch to Davenport (Iowa) | 765.99 mi (1,232.74 km) |
| Highlands Ranch to Davidson (North Carolina) | 1,348.38 mi (2,170.01 km) |
| Highlands Ranch to Davie (Florida) | 1,699.75 mi (2,735.48 km) |
| Highlands Ranch to Davis (California) | 900.92 mi (1,449.89 km) |
| Highlands Ranch to Dayton (Nevada) | 778.60 mi (1,253.03 km) |
| Highlands Ranch to Dayton (Ohio) | 1,102.43 mi (1,774.18 km) |
| Highlands Ranch to Daytona Beach (Florida) | 1,530.82 mi (2,463.62 km) |
| Highlands Ranch to De Pere (Wisconsin) | 928.83 mi (1,494.80 km) |
| Highlands Ranch to De Witt (New York) | 1,511.43 mi (2,432.41 km) |
| Highlands Ranch to Dearborn (Michigan) | 1,148.57 mi (1,848.45 km) |
| Highlands Ranch to Dearborn Heights (Michigan) | 1,145.32 mi (1,843.22 km) |
| Highlands Ranch to DeBary (Florida) | 1,532.05 mi (2,465.59 km) |
