| Porcia to Coudekerque-Branche | 583.37 mi (938.85 km) |
| Porcia to Coueron | 685.31 mi (1,102.90 km) |
| Porcia to Coulommiers | 486.98 mi (783.72 km) |
| Porcia to Courbevoic | 524.46 mi (844.04 km) |
| Porcia to Courcouronnes | 510.97 mi (822.33 km) |
| Porcia to Cournon-d'Auvergne | 453.29 mi (729.50 km) |
| Porcia to Courrieres | 542.00 mi (872.26 km) |
| Porcia to Coutras | 619.84 mi (997.53 km) |
| Porcia to Couzeix | 546.45 mi (879.43 km) |
| Porcia to Cran-Gevrier | 312.90 mi (503.56 km) |
| Porcia to Craponne | 379.99 mi (611.54 km) |
| Porcia to Creil | 523.36 mi (842.27 km) |
| Porcia to Crepy-en-Valois | 505.87 mi (814.13 km) |
| Porcia to Crest | 378.42 mi (609.00 km) |
| Porcia to Creteil | 513.07 mi (825.71 km) |
