| Piraeus to Coudekerque-Branche | 1,374.77 mi (2,212.49 km) |
| Piraeus to Coueron | 1,432.13 mi (2,304.79 km) |
| Piraeus to Coulommiers | 1,270.24 mi (2,044.25 km) |
| Piraeus to Courbevoic | 1,306.24 mi (2,102.20 km) |
| Piraeus to Courcouronnes | 1,290.46 mi (2,076.79 km) |
| Piraeus to Cournon-d'Auvergne | 1,177.83 mi (1,895.53 km) |
| Piraeus to Courrieres | 1,333.17 mi (2,145.54 km) |
| Piraeus to Coutras | 1,318.54 mi (2,121.98 km) |
| Piraeus to Couzeix | 1,270.12 mi (2,044.06 km) |
| Piraeus to Cran-Gevrier | 1,052.87 mi (1,694.44 km) |
| Piraeus to Craponne | 1,109.28 mi (1,785.21 km) |
| Piraeus to Creil | 1,308.76 mi (2,106.25 km) |
| Piraeus to Crepy-en-Valois | 1,292.02 mi (2,079.30 km) |
| Piraeus to Crest | 1,070.59 mi (1,722.95 km) |
| Piraeus to Creteil | 1,294.39 mi (2,083.11 km) |
