| Allentown to Dormagen | 3,815.60 mi (6,140.61 km) |
| Allentown to Dornstadt | 4,019.37 mi (6,468.55 km) |
| Allentown to Dorsten | 3,806.00 mi (6,125.16 km) |
| Allentown to Dortmund | 3,829.73 mi (6,163.36 km) |
| Allentown to Dorverden | 3,860.83 mi (6,213.41 km) |
| Allentown to Dossenheim | 3,937.69 mi (6,337.10 km) |
| Allentown to Dreieich | 3,922.37 mi (6,312.45 km) |
| Allentown to Drensteinfurt | 3,832.69 mi (6,168.12 km) |
| Allentown to Dresden | 4,087.76 mi (6,578.62 km) |
| Allentown to Drochtersen | 3,842.79 mi (6,184.37 km) |
| Allentown to Drolshagen | 3,855.17 mi (6,204.29 km) |
| Allentown to Duderstadt | 3,939.02 mi (6,339.24 km) |
| Allentown to Duisburg | 3,804.22 mi (6,122.31 km) |
| Allentown to Dulmen | 3,813.64 mi (6,137.46 km) |
| Allentown to Duren | 3,810.61 mi (6,132.59 km) |
