| Irthlingborough to Dixon (Illinois) | 3,974.20 mi (6,395.86 km) |
| Irthlingborough to Dobbs Ferry (New York) | 3,405.47 mi (5,480.57 km) |
| Irthlingborough to Doctor Phillips (Florida) | 4,316.20 mi (6,946.26 km) |
| Irthlingborough to Dodge City (Kansas) | 4,564.54 mi (7,345.91 km) |
| Irthlingborough to Dolton (Illinois) | 3,913.84 mi (6,298.71 km) |
| Irthlingborough to Donna (Texas) | 5,104.32 mi (8,214.61 km) |
| Irthlingborough to Dorado (Puerto Rico) | 4,192.80 mi (6,747.66 km) |
| Irthlingborough to Doral (Florida) | 4,403.14 mi (7,086.17 km) |
| Irthlingborough to Doraville (Georgia) | 4,156.70 mi (6,689.57 km) |
| Irthlingborough to Dothan (Alabama) | 4,335.78 mi (6,977.77 km) |
| Irthlingborough to Douglas (Arizona) | 5,248.22 mi (8,446.20 km) |
| Irthlingborough to Douglas (Georgia) | 4,218.45 mi (6,788.93 km) |
| Irthlingborough to Douglasville (Georgia) | 4,182.48 mi (6,731.05 km) |
| Irthlingborough to Dover (Delaware) | 3,554.71 mi (5,720.75 km) |
| Irthlingborough to Dover (New Hampshire) | 3,192.21 mi (5,137.36 km) |
