| Porvoo to Cabries | 1,443.02 mi (2,322.31 km) |
| Porvoo to Cachan | 1,219.16 mi (1,962.06 km) |
| Porvoo to Caen | 1,280.52 mi (2,060.81 km) |
| Porvoo to Cagnes-sur-Mer | 1,387.85 mi (2,233.53 km) |
| Porvoo to Cahors | 1,485.00 mi (2,389.88 km) |
| Porvoo to Calais | 1,124.11 mi (1,809.08 km) |
| Porvoo to Caluire-et-Cuire | 1,316.30 mi (2,118.38 km) |
| Porvoo to Cambrai | 1,120.52 mi (1,803.30 km) |
| Porvoo to Canet-en-Roussillon | 1,546.03 mi (2,488.10 km) |
| Porvoo to Cannes | 1,397.92 mi (2,249.73 km) |
| Porvoo to Canteleu | 1,223.75 mi (1,969.43 km) |
| Porvoo to Capbreton | 1,611.14 mi (2,592.88 km) |
| Porvoo to Carcassonne | 1,532.94 mi (2,467.03 km) |
| Porvoo to Carmaux | 1,488.73 mi (2,395.87 km) |
| Porvoo to Carpentras | 1,414.04 mi (2,275.68 km) |
