| Portales to Coudekerque-Branche | 5,030.99 mi (8,096.59 km) |
| Portales to Coueron | 5,016.59 mi (8,073.42 km) |
| Portales to Coulommiers | 5,141.96 mi (8,275.19 km) |
| Portales to Courbevoic | 5,107.56 mi (8,219.83 km) |
| Portales to Courcouronnes | 5,124.81 mi (8,247.59 km) |
| Portales to Cournon-d'Auvergne | 5,267.86 mi (8,477.79 km) |
| Portales to Courrieres | 5,072.97 mi (8,164.16 km) |
| Portales to Coutras | 5,161.90 mi (8,307.28 km) |
| Portales to Couzeix | 5,185.00 mi (8,344.45 km) |
| Portales to Cran-Gevrier | 5,374.28 mi (8,649.06 km) |
| Portales to Craponne | 5,327.46 mi (8,573.71 km) |
| Portales to Creil | 5,102.27 mi (8,211.30 km) |
| Portales to Crepy-en-Valois | 5,118.28 mi (8,237.07 km) |
| Portales to Crest | 5,380.86 mi (8,659.66 km) |
| Portales to Creteil | 5,119.59 mi (8,239.18 km) |
