| Didcot to Desert Hot Springs (California) | 5,350.07 mi (8,610.11 km) |
| Didcot to DeSoto (Texas) | 4,713.75 mi (7,586.04 km) |
| Didcot to Destin (Florida) | 4,409.92 mi (7,097.08 km) |
| Didcot to Destrehan (Louisiana) | 4,590.87 mi (7,388.29 km) |
| Didcot to Detroit (Michigan) | 3,704.15 mi (5,961.25 km) |
| Didcot to Diamond Bar (California) | 5,389.26 mi (8,673.18 km) |
| Didcot to Diamond Springs (California) | 5,215.94 mi (8,394.24 km) |
| Didcot to Dickinson (North Dakota) | 4,203.84 mi (6,765.43 km) |
| Didcot to Dickinson (Texas) | 4,805.42 mi (7,733.58 km) |
| Didcot to Dickson (Tennessee) | 4,167.00 mi (6,706.14 km) |
| Didcot to Difficult Run (Virginia) | 3,629.96 mi (5,841.86 km) |
| Didcot to Dinuba (California) | 5,294.62 mi (8,520.87 km) |
| Didcot to Discovery Bay (California) | 5,283.96 mi (8,503.72 km) |
| Didcot to Dix Hills (New York) | 3,382.31 mi (5,443.31 km) |
| Didcot to Dixon (California) | 5,259.55 mi (8,464.43 km) |
