| Porvoo to Capoterra | 1,633.61 mi (2,629.04 km) |
| Porvoo to Capriolo | 1,204.37 mi (1,938.25 km) |
| Porvoo to Capua | 1,418.84 mi (2,283.40 km) |
| Porvoo to Capurso | 1,387.43 mi (2,232.85 km) |
| Porvoo to Carate Brianza | 1,212.92 mi (1,952.01 km) |
| Porvoo to Caravaggio | 1,219.29 mi (1,962.26 km) |
| Porvoo to Carbonera | 1,153.49 mi (1,856.36 km) |
| Porvoo to Carbonia | 1,642.67 mi (2,643.63 km) |
| Porvoo to Cardito | 1,427.92 mi (2,298.02 km) |
| Porvoo to Carignano | 1,299.79 mi (2,091.81 km) |
| Porvoo to Carini | 1,631.38 mi (2,625.45 km) |
| Porvoo to Carlentini | 1,663.75 mi (2,677.55 km) |
| Porvoo to Carmagnola | 1,302.25 mi (2,095.77 km) |
| Porvoo to Carmiano | 1,423.10 mi (2,290.27 km) |
| Porvoo to Carmignano | 1,296.50 mi (2,086.51 km) |
