| Irthlingborough to Dumas (Texas) | 4,734.24 mi (7,619.02 km) |
| Irthlingborough to Dumont (New Jersey) | 3,413.37 mi (5,493.28 km) |
| Irthlingborough to Duncan (Oklahoma) | 4,655.04 mi (7,491.56 km) |
| Irthlingborough to Duncanville (Texas) | 4,715.87 mi (7,589.45 km) |
| Irthlingborough to Dundalk (Maryland) | 3,589.04 mi (5,775.99 km) |
| Irthlingborough to Dunedin (Florida) | 4,390.71 mi (7,066.17 km) |
| Irthlingborough to Dunkirk (New York) | 3,557.38 mi (5,725.06 km) |
| Irthlingborough to Dunmore (Pennsylvania) | 3,457.41 mi (5,564.16 km) |
| Irthlingborough to Dunwoody (Georgia) | 4,156.65 mi (6,689.49 km) |
| Irthlingborough to Durango (Colorado) | 4,866.50 mi (7,831.87 km) |
| Irthlingborough to Durant (Oklahoma) | 4,625.89 mi (7,444.64 km) |
| Irthlingborough to Durham (North Carolina) | 3,839.58 mi (6,179.21 km) |
| Irthlingborough to Dyer (Indiana) | 3,916.65 mi (6,303.23 km) |
| Irthlingborough to Dyersburg (Tennessee) | 4,252.65 mi (6,843.97 km) |
| Irthlingborough to Eagan (Minnesota) | 3,966.84 mi (6,384.01 km) |
