| Highlands Ranch to Delaware (Ohio) | 1,158.61 mi (1,864.60 km) |
| Highlands Ranch to Delhi (California) | 865.97 mi (1,393.65 km) |
| Highlands Ranch to Delray Beach (Florida) | 1,692.89 mi (2,724.45 km) |
| Highlands Ranch to Deltona (Florida) | 1,536.59 mi (2,472.91 km) |
| Highlands Ranch to Deming (New Mexico) | 526.38 mi (847.13 km) |
| Highlands Ranch to Denison (Texas) | 612.25 mi (985.32 km) |
| Highlands Ranch to Dent (Ohio) | 1,082.88 mi (1,742.73 km) |
| Highlands Ranch to Denton (Texas) | 616.44 mi (992.07 km) |
| Highlands Ranch to Dentsville (South Carolina) | 1,376.49 mi (2,215.25 km) |
| Highlands Ranch to Denver (Colorado) | 16.03 mi (25.79 km) |
| Highlands Ranch to Depew (New York) | 1,378.85 mi (2,219.05 km) |
| Highlands Ranch to Derby (Connecticut) | 1,672.06 mi (2,690.92 km) |
| Highlands Ranch to Derby (Kansas) | 438.72 mi (706.06 km) |
| Highlands Ranch to Des Moines (Iowa) | 612.13 mi (985.13 km) |
| Highlands Ranch to Des Moines (Washington) | 1,021.53 mi (1,644.00 km) |
