| Didcot to Dallas (Texas) | 4,699.99 mi (7,563.90 km) |
| Didcot to Dalton (Georgia) | 4,133.41 mi (6,652.09 km) |
| Didcot to Daly City (California) | 5,322.70 mi (8,566.06 km) |
| Didcot to Damascus (Maryland) | 3,607.26 mi (5,805.33 km) |
| Didcot to Damascus (Oregon) | 4,876.76 mi (7,848.39 km) |
| Didcot to Dana Point (California) | 5,415.28 mi (8,715.05 km) |
| Didcot to Danbury (Connecticut) | 3,362.20 mi (5,410.94 km) |
| Didcot to Dania Beach (Florida) | 4,363.92 mi (7,023.06 km) |
| Didcot to Danville (California) | 5,300.52 mi (8,530.36 km) |
| Didcot to Danville (Illinois) | 3,982.05 mi (6,408.49 km) |
| Didcot to Danville (Indiana) | 3,956.88 mi (6,367.99 km) |
| Didcot to Danville (Kentucky) | 3,988.25 mi (6,418.47 km) |
| Didcot to Danville (Virginia) | 3,820.43 mi (6,148.38 km) |
| Didcot to Daphne (Alabama) | 4,456.16 mi (7,171.50 km) |
| Didcot to Darby (Pennsylvania) | 3,499.39 mi (5,631.73 km) |
