| Piraeus to Cognac | 1,339.12 mi (2,155.10 km) |
| Piraeus to Cogolin | 967.77 mi (1,557.47 km) |
| Piraeus to Colmar | 1,076.86 mi (1,733.04 km) |
| Piraeus to Colombes | 1,307.10 mi (2,103.58 km) |
| Piraeus to Colomiers | 1,226.81 mi (1,974.36 km) |
| Piraeus to Combs-la-Ville | 1,286.60 mi (2,070.59 km) |
| Piraeus to Comines | 1,342.31 mi (2,160.24 km) |
| Piraeus to Compiegne | 1,300.68 mi (2,093.25 km) |
| Piraeus to Concarneau | 1,543.34 mi (2,483.77 km) |
| Piraeus to Conde-sur-l'Escaut | 1,309.11 mi (2,106.81 km) |
| Piraeus to Conflans-Sainte-Honorine | 1,315.70 mi (2,117.42 km) |
| Piraeus to Corbas | 1,099.28 mi (1,769.12 km) |
| Piraeus to Corbeil-Essonnes | 1,288.00 mi (2,072.84 km) |
| Piraeus to Cormeilles-en-Parisis | 1,310.75 mi (2,109.45 km) |
| Piraeus to Cosne sur Loire | 1,233.42 mi (1,985.00 km) |
