| Alpena to Civril | 5,337.46 mi (8,589.81 km) |
| Alpena to Cizre | 5,812.80 mi (9,354.80 km) |
| Alpena to Cobanlar | 5,354.17 mi (8,616.71 km) |
| Alpena to Corlu | 5,122.71 mi (8,244.20 km) |
| Alpena to Corum | 5,400.90 mi (8,691.91 km) |
| Alpena to Cukurca | 5,862.42 mi (9,434.65 km) |
| Alpena to Cukurcayir | 5,532.42 mi (8,903.57 km) |
| Alpena to Cumayeri | 5,247.49 mi (8,445.02 km) |
| Alpena to Cumra | 5,483.76 mi (8,825.26 km) |
| Alpena to Cungus | 5,670.40 mi (9,125.62 km) |
| Alpena to Dargecit | 5,786.03 mi (9,311.71 km) |
| Alpena to Davutlar | 5,277.21 mi (8,492.85 km) |
| Alpena to Demirozu | 5,581.84 mi (8,983.11 km) |
| Alpena to Demre | 5,452.62 mi (8,775.14 km) |
| Alpena to Denizciler | 5,653.19 mi (9,097.93 km) |
