| Altoona to Coudekerque-Branche | 3,761.70 mi (6,053.87 km) |
| Altoona to Coueron | 3,692.07 mi (5,941.82 km) |
| Altoona to Coulommiers | 3,851.07 mi (6,197.69 km) |
| Altoona to Courbevoic | 3,814.31 mi (6,138.54 km) |
| Altoona to Courcouronnes | 3,829.38 mi (6,162.79 km) |
| Altoona to Cournon-d'Auvergne | 3,947.23 mi (6,352.45 km) |
| Altoona to Courrieres | 3,799.39 mi (6,114.53 km) |
| Altoona to Coutras | 3,822.99 mi (6,152.51 km) |
| Altoona to Couzeix | 3,858.32 mi (6,209.37 km) |
| Altoona to Cran-Gevrier | 4,066.70 mi (6,544.72 km) |
| Altoona to Craponne | 4,012.80 mi (6,457.98 km) |
| Altoona to Creil | 3,813.72 mi (6,137.59 km) |
| Altoona to Crepy-en-Valois | 3,831.05 mi (6,165.48 km) |
| Altoona to Crest | 4,058.21 mi (6,531.06 km) |
| Altoona to Creteil | 3,826.03 mi (6,157.39 km) |
