| Duffel to Dumas (Texas) | 4,964.23 mi (7,989.16 km) |
| Duffel to Dumont (New Jersey) | 3,648.60 mi (5,871.86 km) |
| Duffel to Duncan (Oklahoma) | 4,887.70 mi (7,865.99 km) |
| Duffel to Duncanville (Texas) | 4,949.61 mi (7,965.63 km) |
| Duffel to Dundalk (Maryland) | 3,824.26 mi (6,154.56 km) |
| Duffel to Dunedin (Florida) | 4,624.48 mi (7,442.38 km) |
| Duffel to Dunkirk (New York) | 3,792.29 mi (6,103.11 km) |
| Duffel to Dunmore (Pennsylvania) | 3,692.71 mi (5,942.85 km) |
| Duffel to Dunwoody (Georgia) | 4,391.93 mi (7,068.12 km) |
| Duffel to Durango (Colorado) | 5,091.47 mi (8,193.93 km) |
| Duffel to Durant (Oklahoma) | 4,859.34 mi (7,820.35 km) |
| Duffel to Durham (North Carolina) | 4,074.59 mi (6,557.42 km) |
| Duffel to Dyer (Indiana) | 4,150.03 mi (6,678.82 km) |
| Duffel to Dyersburg (Tennessee) | 4,487.36 mi (7,221.71 km) |
| Duffel to Eagan (Minnesota) | 4,195.67 mi (6,752.28 km) |
