| Alpena to Chenove | 3,991.90 mi (6,424.35 km) |
| Alpena to Cherbourg | 3,649.27 mi (5,872.93 km) |
| Alpena to Chevigny-Saint-Sauveur | 3,996.52 mi (6,431.78 km) |
| Alpena to Chevilly-Larue | 3,833.78 mi (6,169.87 km) |
| Alpena to Chilly-Mazarin | 3,834.48 mi (6,171.00 km) |
| Alpena to Choisy-le-Roi | 3,836.07 mi (6,173.55 km) |
| Alpena to Cholet | 3,766.10 mi (6,060.96 km) |
| Alpena to Clamart | 3,829.00 mi (6,162.18 km) |
| Alpena to Claye-Souilly | 3,840.32 mi (6,180.39 km) |
| Alpena to Clermont | 3,814.21 mi (6,138.38 km) |
| Alpena to Clermont-Ferrand | 3,972.80 mi (6,393.61 km) |
| Alpena to Clermont-l'Herault | 4,070.23 mi (6,550.40 km) |
| Alpena to Clichy | 3,827.01 mi (6,158.98 km) |
| Alpena to Clichy-sous-Bois | 3,836.39 mi (6,174.07 km) |
| Alpena to Cluses | 4,101.28 mi (6,600.38 km) |
