| Didcot to Decatur (Georgia) | 4,154.30 mi (6,685.70 km) |
| Didcot to Decatur (Illinois) | 4,046.75 mi (6,512.61 km) |
| Didcot to Deer Park (New York) | 3,383.43 mi (5,445.10 km) |
| Didcot to Deer Park (Texas) | 4,795.48 mi (7,717.58 km) |
| Didcot to Deerfield (Illinois) | 3,897.14 mi (6,271.85 km) |
| Didcot to Deerfield Beach (Florida) | 4,350.01 mi (7,000.66 km) |
| Didcot to Defiance (Ohio) | 3,803.11 mi (6,120.51 km) |
| Didcot to DeForest (Wisconsin) | 3,904.39 mi (6,283.51 km) |
| Didcot to DeKalb (Illinois) | 3,942.11 mi (6,344.21 km) |
| Didcot to Del Aire (California) | 5,411.91 mi (8,709.62 km) |
| Didcot to Del City (Oklahoma) | 4,589.67 mi (7,386.36 km) |
| Didcot to Del Rio (Texas) | 5,037.99 mi (8,107.87 km) |
| Didcot to DeLand (Florida) | 4,262.94 mi (6,860.55 km) |
| Didcot to Delano (California) | 5,334.89 mi (8,585.67 km) |
| Didcot to Delaware (Ohio) | 3,797.73 mi (6,111.85 km) |
