| Porvoo to Cogolin | 1,427.37 mi (2,297.13 km) |
| Porvoo to Colmar | 1,119.34 mi (1,801.41 km) |
| Porvoo to Colombes | 1,214.58 mi (1,954.68 km) |
| Porvoo to Colomiers | 1,536.09 mi (2,472.10 km) |
| Porvoo to Combs-la-Ville | 1,218.94 mi (1,961.69 km) |
| Porvoo to Comines | 1,097.96 mi (1,767.00 km) |
| Porvoo to Compiegne | 1,172.03 mi (1,886.20 km) |
| Porvoo to Concarneau | 1,457.05 mi (2,344.90 km) |
| Porvoo to Conde-sur-l'Escaut | 1,096.06 mi (1,763.93 km) |
| Porvoo to Conflans-Sainte-Honorine | 1,215.17 mi (1,955.62 km) |
| Porvoo to Corbas | 1,322.30 mi (2,128.04 km) |
| Porvoo to Corbeil-Essonnes | 1,224.20 mi (1,970.15 km) |
| Porvoo to Cormeilles-en-Parisis | 1,213.44 mi (1,952.84 km) |
| Porvoo to Cosne sur Loire | 1,276.69 mi (2,054.63 km) |
| Porvoo to Coudekerque-Branche | 1,103.82 mi (1,776.42 km) |
