| Duffel to Dallas (Texas) | 4,936.35 mi (7,944.29 km) |
| Duffel to Dalton (Georgia) | 4,377.63 mi (7,045.11 km) |
| Duffel to Daly City (California) | 5,514.80 mi (8,875.21 km) |
| Duffel to Damascus (Maryland) | 3,852.53 mi (6,200.04 km) |
| Duffel to Damascus (Oregon) | 5,056.32 mi (8,137.36 km) |
| Duffel to Dana Point (California) | 5,622.30 mi (9,048.22 km) |
| Duffel to Danbury (Connecticut) | 3,607.66 mi (5,805.97 km) |
| Duffel to Dania Beach (Florida) | 4,614.39 mi (7,426.14 km) |
| Duffel to Danville (California) | 5,493.39 mi (8,840.75 km) |
| Duffel to Danville (Illinois) | 4,218.79 mi (6,789.49 km) |
| Duffel to Danville (Indiana) | 4,195.04 mi (6,751.27 km) |
| Duffel to Danville (Kentucky) | 4,230.04 mi (6,807.60 km) |
| Duffel to Danville (Virginia) | 4,066.59 mi (6,544.54 km) |
| Duffel to Daphne (Alabama) | 4,701.56 mi (7,566.43 km) |
| Duffel to Darby (Pennsylvania) | 3,745.18 mi (6,027.28 km) |
