| Porto to Carpentras | 722.39 mi (1,162.58 km) |
| Porto to Carquefou | 551.10 mi (886.91 km) |
| Porto to Carqueiranne | 763.75 mi (1,229.14 km) |
| Porto to Carrieres-sous-Poissy | 747.04 mi (1,202.24 km) |
| Porto to Carrieres-sur-Seine | 753.84 mi (1,213.18 km) |
| Porto to Carros | 824.62 mi (1,327.09 km) |
| Porto to Carvin | 850.34 mi (1,368.48 km) |
| Porto to Castanet-Tolosan | 541.42 mi (871.33 km) |
| Porto to Castelginest | 541.38 mi (871.26 km) |
| Porto to Castelnau-le-Lez | 660.76 mi (1,063.39 km) |
| Porto to Castelnaudary | 560.67 mi (902.32 km) |
| Porto to Castelsarrasin | 532.83 mi (857.51 km) |
| Porto to Castres | 579.38 mi (932.43 km) |
| Porto to Caudebec-les-Elbeuf | 730.17 mi (1,175.10 km) |
| Porto to Caudry | 847.29 mi (1,363.58 km) |
