| Irthlingborough to Desert Hot Springs (California) | 5,338.67 mi (8,591.76 km) |
| Irthlingborough to DeSoto (Texas) | 4,716.43 mi (7,590.36 km) |
| Irthlingborough to Destin (Florida) | 4,421.18 mi (7,115.20 km) |
| Irthlingborough to Destrehan (Louisiana) | 4,599.80 mi (7,402.66 km) |
| Irthlingborough to Detroit (Michigan) | 3,707.70 mi (5,966.96 km) |
| Irthlingborough to Diamond Bar (California) | 5,376.98 mi (8,653.42 km) |
| Irthlingborough to Diamond Springs (California) | 5,199.14 mi (8,367.20 km) |
| Irthlingborough to Dickinson (North Dakota) | 4,192.44 mi (6,747.08 km) |
| Irthlingborough to Dickinson (Texas) | 4,811.50 mi (7,743.36 km) |
| Irthlingborough to Dickson (Tennessee) | 4,173.33 mi (6,716.33 km) |
| Irthlingborough to Difficult Run (Virginia) | 3,640.20 mi (5,858.34 km) |
| Irthlingborough to Dinuba (California) | 5,279.90 mi (8,497.18 km) |
| Irthlingborough to Discovery Bay (California) | 5,267.09 mi (8,476.57 km) |
| Irthlingborough to Dix Hills (New York) | 3,393.20 mi (5,460.84 km) |
| Irthlingborough to Dixon (California) | 5,242.26 mi (8,436.60 km) |
