| Porvoo to Chojnow | 733.36 mi (1,180.23 km) |
| Porvoo to Chorzow | 744.75 mi (1,198.56 km) |
| Porvoo to Choszczno | 630.84 mi (1,015.24 km) |
| Porvoo to Chrzanow | 749.82 mi (1,206.73 km) |
| Porvoo to Ciechanow | 553.75 mi (891.17 km) |
| Porvoo to Ciechocinek | 580.38 mi (934.03 km) |
| Porvoo to Cieszyn | 785.23 mi (1,263.71 km) |
| Porvoo to Czarna Bialostocka | 498.28 mi (801.90 km) |
| Porvoo to Czarnkow | 621.31 mi (999.90 km) |
| Porvoo to Czechowice-Dziedzice | 769.47 mi (1,238.34 km) |
| Porvoo to Czeladz | 740.76 mi (1,192.13 km) |
| Porvoo to Czersk Pomorski | 539.01 mi (867.45 km) |
| Porvoo to Czestochowa | 709.64 mi (1,142.06 km) |
| Porvoo to Czluchow | 558.90 mi (899.47 km) |
| Porvoo to Dabrowa Gornicza | 740.15 mi (1,191.16 km) |
