| Allentown to Coswig | 4,011.41 mi (6,455.75 km) |
| Allentown to Cottbus | 4,087.49 mi (6,578.18 km) |
| Allentown to Crailsheim | 4,003.82 mi (6,443.53 km) |
| Allentown to Cremlingen | 3,932.41 mi (6,328.61 km) |
| Allentown to Crimmitschau | 4,042.92 mi (6,506.45 km) |
| Allentown to Cuxhaven | 3,812.55 mi (6,135.71 km) |
| Allentown to Dachau | 4,086.81 mi (6,577.08 km) |
| Allentown to Dallgow-Doberitz | 4,014.66 mi (6,460.97 km) |
| Allentown to Damme | 3,830.37 mi (6,164.38 km) |
| Allentown to Darmstadt | 3,924.27 mi (6,315.51 km) |
| Allentown to Dassel | 3,908.38 mi (6,289.93 km) |
| Allentown to Datteln | 3,821.01 mi (6,149.32 km) |
| Allentown to Dautphe | 3,891.21 mi (6,262.29 km) |
| Allentown to Deggendorf | 4,129.81 mi (6,646.29 km) |
| Allentown to Delbruck | 3,865.78 mi (6,221.36 km) |
