| Ironton to Dormagen | 4,195.05 mi (6,751.27 km) |
| Ironton to Dornstadt | 4,403.15 mi (7,086.19 km) |
| Ironton to Dorsten | 4,183.70 mi (6,733.01 km) |
| Ironton to Dortmund | 4,207.42 mi (6,771.19 km) |
| Ironton to Dorverden | 4,232.92 mi (6,812.23 km) |
| Ironton to Dossenheim | 4,320.08 mi (6,952.49 km) |
| Ironton to Dreieich | 4,303.27 mi (6,925.44 km) |
| Ironton to Drensteinfurt | 4,209.33 mi (6,774.26 km) |
| Ironton to Dresden | 4,460.95 mi (7,179.20 km) |
| Ironton to Drochtersen | 4,212.01 mi (6,778.58 km) |
| Ironton to Drolshagen | 4,234.00 mi (6,813.96 km) |
| Ironton to Duderstadt | 4,314.24 mi (6,943.10 km) |
| Ironton to Duisburg | 4,182.75 mi (6,731.48 km) |
| Ironton to Dulmen | 4,190.57 mi (6,744.06 km) |
| Ironton to Duren | 4,191.19 mi (6,745.06 km) |
