| Hennef to Dumas (Texas) | 5,074.45 mi (8,166.55 km) |
| Hennef to Dumont (New Jersey) | 3,768.19 mi (6,064.32 km) |
| Hennef to Duncan (Oklahoma) | 5,001.01 mi (8,048.36 km) |
| Hennef to Duncanville (Texas) | 5,064.44 mi (8,150.44 km) |
| Hennef to Dundalk (Maryland) | 3,943.87 mi (6,347.05 km) |
| Hennef to Dunedin (Florida) | 4,745.89 mi (7,637.78 km) |
| Hennef to Dunkirk (New York) | 3,909.41 mi (6,291.59 km) |
| Hennef to Dunmore (Pennsylvania) | 3,811.62 mi (6,134.22 km) |
| Hennef to Dunwoody (Georgia) | 4,511.29 mi (7,260.21 km) |
| Hennef to Durango (Colorado) | 5,196.84 mi (8,363.50 km) |
| Hennef to Durant (Oklahoma) | 4,973.74 mi (8,004.47 km) |
| Hennef to Durham (North Carolina) | 4,194.78 mi (6,750.85 km) |
| Hennef to Dyer (Indiana) | 4,264.41 mi (6,862.91 km) |
| Hennef to Dyersburg (Tennessee) | 4,603.96 mi (7,409.36 km) |
| Hennef to Eagan (Minnesota) | 4,304.88 mi (6,928.03 km) |
