| Backnang to Dumas (Texas) | 5,227.90 mi (8,413.50 km) |
| Backnang to Dumont (New Jersey) | 3,908.18 mi (6,289.61 km) |
| Backnang to Duncan (Oklahoma) | 5,151.63 mi (8,290.76 km) |
| Backnang to Duncanville (Texas) | 5,213.26 mi (8,389.94 km) |
| Backnang to Dundalk (Maryland) | 4,083.78 mi (6,572.21 km) |
| Backnang to Dunedin (Florida) | 4,878.73 mi (7,851.55 km) |
| Backnang to Dunkirk (New York) | 4,054.83 mi (6,525.62 km) |
| Backnang to Dunmore (Pennsylvania) | 3,953.37 mi (6,362.34 km) |
| Backnang to Dunwoody (Georgia) | 4,651.80 mi (7,486.34 km) |
| Backnang to Durango (Colorado) | 5,353.19 mi (8,615.12 km) |
| Backnang to Durant (Oklahoma) | 5,123.11 mi (8,244.84 km) |
| Backnang to Durham (North Carolina) | 4,332.87 mi (6,973.08 km) |
| Backnang to Dyer (Indiana) | 4,413.81 mi (7,103.34 km) |
| Backnang to Dyersburg (Tennessee) | 4,750.21 mi (7,644.73 km) |
| Backnang to Eagan (Minnesota) | 4,459.04 mi (7,176.14 km) |
