| Alpena to Coswig | 4,088.54 mi (6,579.87 km) |
| Alpena to Cottbus | 4,159.42 mi (6,693.94 km) |
| Alpena to Crailsheim | 4,112.86 mi (6,619.00 km) |
| Alpena to Cremlingen | 4,011.96 mi (6,456.62 km) |
| Alpena to Crimmitschau | 4,129.51 mi (6,645.81 km) |
| Alpena to Cuxhaven | 3,883.13 mi (6,249.30 km) |
| Alpena to Dachau | 4,198.61 mi (6,757.01 km) |
| Alpena to Dallgow-Doberitz | 4,084.06 mi (6,572.66 km) |
| Alpena to Damme | 3,914.96 mi (6,300.53 km) |
| Alpena to Darmstadt | 4,031.56 mi (6,488.17 km) |
| Alpena to Dassel | 3,994.98 mi (6,429.30 km) |
| Alpena to Datteln | 3,916.25 mi (6,302.60 km) |
| Alpena to Dautphe | 3,989.97 mi (6,421.24 km) |
| Alpena to Deggendorf | 4,231.36 mi (6,809.71 km) |
| Alpena to Delbruck | 3,956.21 mi (6,366.91 km) |
