| Mountain Ash to Dallas (Texas) | 4,614.59 mi (7,426.46 km) |
| Mountain Ash to Dalton (Georgia) | 4,044.80 mi (6,509.47 km) |
| Mountain Ash to Daly City (California) | 5,254.50 mi (8,456.30 km) |
| Mountain Ash to Damascus (Maryland) | 3,518.23 mi (5,662.05 km) |
| Mountain Ash to Damascus (Oregon) | 4,813.61 mi (7,746.76 km) |
| Mountain Ash to Dana Point (California) | 5,341.29 mi (8,595.97 km) |
| Mountain Ash to Danbury (Connecticut) | 3,273.10 mi (5,267.55 km) |
| Mountain Ash to Dania Beach (Florida) | 4,272.43 mi (6,875.80 km) |
| Mountain Ash to Danville (California) | 5,232.04 mi (8,420.15 km) |
| Mountain Ash to Danville (Illinois) | 3,896.61 mi (6,270.98 km) |
| Mountain Ash to Danville (Indiana) | 3,870.85 mi (6,229.53 km) |
| Mountain Ash to Danville (Kentucky) | 3,900.68 mi (6,277.54 km) |
| Mountain Ash to Danville (Virginia) | 3,730.98 mi (6,004.44 km) |
| Mountain Ash to Daphne (Alabama) | 4,367.01 mi (7,028.02 km) |
| Mountain Ash to Darby (Pennsylvania) | 3,410.14 mi (5,488.09 km) |
