| Irthlingborough to Denizli | 1,744.78 mi (2,807.95 km) |
| Irthlingborough to Derecik | 2,395.28 mi (3,854.84 km) |
| Irthlingborough to Dereli | 1,991.13 mi (3,204.42 km) |
| Irthlingborough to Derik | 2,214.28 mi (3,563.53 km) |
| Irthlingborough to Derinkuyu | 1,941.17 mi (3,124.01 km) |
| Irthlingborough to Develi | 1,971.37 mi (3,172.61 km) |
| Irthlingborough to Dicle | 2,160.87 mi (3,477.58 km) |
| Irthlingborough to Digor | 2,215.04 mi (3,564.77 km) |
| Irthlingborough to Dikili | 1,596.85 mi (2,569.89 km) |
| Irthlingborough to Divrigi | 2,036.06 mi (3,276.72 km) |
| Irthlingborough to Diyadin | 2,261.22 mi (3,639.08 km) |
| Irthlingborough to Diyarbakir | 2,188.51 mi (3,522.06 km) |
| Irthlingborough to Doganhisar | 1,828.70 mi (2,943.01 km) |
| Irthlingborough to Dogansehir | 2,082.52 mi (3,351.49 km) |
| Irthlingborough to Dogubayazit | 2,278.00 mi (3,666.09 km) |
