| Castel Gandolfo to Coudekerque-Branche | 804.68 mi (1,295.01 km) |
| Castel Gandolfo to Coueron | 801.34 mi (1,289.63 km) |
| Castel Gandolfo to Coulommiers | 673.46 mi (1,083.83 km) |
| Castel Gandolfo to Courbevoic | 705.42 mi (1,135.27 km) |
| Castel Gandolfo to Courcouronnes | 687.06 mi (1,105.72 km) |
| Castel Gandolfo to Cournon-d'Auvergne | 546.21 mi (879.04 km) |
| Castel Gandolfo to Courrieres | 759.20 mi (1,221.82 km) |
| Castel Gandolfo to Coutras | 679.94 mi (1,094.26 km) |
| Castel Gandolfo to Couzeix | 635.75 mi (1,023.15 km) |
| Castel Gandolfo to Cran-Gevrier | 434.50 mi (699.26 km) |
| Castel Gandolfo to Craponne | 482.26 mi (776.13 km) |
| Castel Gandolfo to Creil | 714.20 mi (1,149.39 km) |
| Castel Gandolfo to Crepy-en-Valois | 699.81 mi (1,126.24 km) |
| Castel Gandolfo to Crest | 435.55 mi (700.95 km) |
| Castel Gandolfo to Creteil | 693.38 mi (1,115.89 km) |
