| Didcot to Delhi (California) | 5,286.42 mi (8,507.68 km) |
| Didcot to Delray Beach (Florida) | 4,340.88 mi (6,985.97 km) |
| Didcot to Deltona (Florida) | 4,265.69 mi (6,864.96 km) |
| Didcot to Deming (New Mexico) | 5,139.73 mi (8,271.60 km) |
| Didcot to Denison (Texas) | 4,642.79 mi (7,471.85 km) |
| Didcot to Dent (Ohio) | 3,910.90 mi (6,293.99 km) |
| Didcot to Denton (Texas) | 4,692.64 mi (7,552.08 km) |
| Didcot to Dentsville (South Carolina) | 4,002.43 mi (6,441.28 km) |
| Didcot to Denver (Colorado) | 4,637.77 mi (7,463.77 km) |
| Didcot to Depew (New York) | 3,508.17 mi (5,645.86 km) |
| Didcot to Derby (Connecticut) | 3,349.55 mi (5,390.59 km) |
| Didcot to Derby (Kansas) | 4,475.60 mi (7,202.77 km) |
| Didcot to Des Moines (Iowa) | 4,141.63 mi (6,665.32 km) |
| Didcot to Des Moines (Washington) | 4,761.26 mi (7,662.51 km) |
| Didcot to Des Plaines (Illinois) | 3,905.07 mi (6,284.60 km) |
