| Mountain Ash to Delhi (California) | 5,216.85 mi (8,395.71 km) |
| Mountain Ash to Delray Beach (Florida) | 4,249.41 mi (6,838.77 km) |
| Mountain Ash to Deltona (Florida) | 4,174.71 mi (6,718.55 km) |
| Mountain Ash to Deming (New Mexico) | 5,059.17 mi (8,141.94 km) |
| Mountain Ash to Denison (Texas) | 4,557.74 mi (7,334.97 km) |
| Mountain Ash to Dent (Ohio) | 3,823.98 mi (6,154.10 km) |
| Mountain Ash to Denton (Texas) | 4,607.58 mi (7,415.18 km) |
| Mountain Ash to Dentsville (South Carolina) | 3,912.57 mi (6,296.68 km) |
| Mountain Ash to Denver (Colorado) | 4,559.80 mi (7,338.30 km) |
| Mountain Ash to Depew (New York) | 3,421.21 mi (5,505.91 km) |
| Mountain Ash to Derby (Connecticut) | 3,260.34 mi (5,247.00 km) |
| Mountain Ash to Derby (Kansas) | 4,392.66 mi (7,069.30 km) |
| Mountain Ash to Des Moines (Iowa) | 4,059.36 mi (6,532.91 km) |
| Mountain Ash to Des Moines (Washington) | 4,699.44 mi (7,563.02 km) |
| Mountain Ash to Des Plaines (Illinois) | 3,820.76 mi (6,148.91 km) |
