| Tucson Mountains to Delaware (Ohio) | 1,646.43 mi (2,649.68 km) |
| Tucson Mountains to Delhi (California) | 654.35 mi (1,053.07 km) |
| Tucson Mountains to Delray Beach (Florida) | 1,901.76 mi (3,060.59 km) |
| Tucson Mountains to Deltona (Florida) | 1,785.62 mi (2,873.68 km) |
| Tucson Mountains to Deming (New Mexico) | 194.23 mi (312.58 km) |
| Tucson Mountains to Denison (Texas) | 845.31 mi (1,360.40 km) |
| Tucson Mountains to Dent (Ohio) | 1,550.07 mi (2,494.60 km) |
| Tucson Mountains to Denton (Texas) | 811.77 mi (1,306.41 km) |
| Tucson Mountains to Dentsville (South Carolina) | 1,740.09 mi (2,800.40 km) |
| Tucson Mountains to Denver (Colorado) | 621.85 mi (1,000.78 km) |
| Tucson Mountains to Depew (New York) | 1,903.54 mi (3,063.45 km) |
| Tucson Mountains to Derby (Connecticut) | 2,173.56 mi (3,498.01 km) |
| Tucson Mountains to Derby (Kansas) | 862.55 mi (1,388.14 km) |
| Tucson Mountains to Des Moines (Iowa) | 1,155.27 mi (1,859.22 km) |
| Tucson Mountains to Des Moines (Washington) | 1,199.36 mi (1,930.19 km) |
