| Porvoo to Cesa | 1,427.78 mi (2,297.79 km) |
| Porvoo to Cesano Maderno | 1,222.09 mi (1,966.77 km) |
| Porvoo to Cesena | 1,252.79 mi (2,016.17 km) |
| Porvoo to Cesenatico | 1,246.13 mi (2,005.45 km) |
| Porvoo to Cetraro | 1,503.16 mi (2,419.10 km) |
| Porvoo to Cherasco | 1,311.02 mi (2,109.88 km) |
| Porvoo to Chiampo | 1,181.60 mi (1,901.60 km) |
| Porvoo to Chiaravalle | 1,268.57 mi (2,041.57 km) |
| Porvoo to Chiari | 1,212.73 mi (1,951.70 km) |
| Porvoo to Chiavari | 1,299.24 mi (2,090.92 km) |
| Porvoo to Chieri | 1,289.83 mi (2,075.78 km) |
| Porvoo to Chieti | 1,337.21 mi (2,152.03 km) |
| Porvoo to Chioggia | 1,183.03 mi (1,903.90 km) |
| Porvoo to Chiusi | 1,330.40 mi (2,141.08 km) |
| Porvoo to Chivasso | 1,277.56 mi (2,056.03 km) |
