| Didcot to Denizli | 1,750.69 mi (2,817.47 km) |
| Didcot to Derecik | 2,415.60 mi (3,887.54 km) |
| Didcot to Dereli | 2,011.53 mi (3,237.25 km) |
| Didcot to Derik | 2,231.47 mi (3,591.21 km) |
| Didcot to Derinkuyu | 1,954.48 mi (3,145.43 km) |
| Didcot to Develi | 1,985.47 mi (3,195.31 km) |
| Didcot to Dicle | 2,179.26 mi (3,507.19 km) |
| Didcot to Digor | 2,238.90 mi (3,603.16 km) |
| Didcot to Dikili | 1,602.19 mi (2,578.48 km) |
| Didcot to Divrigi | 2,054.13 mi (3,305.80 km) |
| Didcot to Diyadin | 2,284.16 mi (3,676.00 km) |
| Didcot to Diyarbakir | 2,206.41 mi (3,550.87 km) |
| Didcot to Doganhisar | 1,838.34 mi (2,958.51 km) |
| Didcot to Dogansehir | 2,098.52 mi (3,377.24 km) |
| Didcot to Dogubayazit | 2,301.26 mi (3,703.53 km) |
