| Porvoo to Caltanissetta | 1,662.09 mi (2,674.88 km) |
| Porvoo to Calvisano | 1,213.49 mi (1,952.92 km) |
| Porvoo to Calvizzano | 1,432.93 mi (2,306.08 km) |
| Porvoo to Camaiore | 1,303.26 mi (2,097.40 km) |
| Porvoo to Cameri | 1,241.24 mi (1,997.59 km) |
| Porvoo to Camisano Vicentino | 1,175.05 mi (1,891.06 km) |
| Porvoo to Campagna | 1,435.68 mi (2,310.51 km) |
| Porvoo to Campagnano di Roma | 1,380.15 mi (2,221.14 km) |
| Porvoo to Campi Bisenzio | 1,294.25 mi (2,082.89 km) |
| Porvoo to Campi Salentina | 1,419.71 mi (2,284.80 km) |
| Porvoo to Campiglia Marittima | 1,352.05 mi (2,175.91 km) |
| Porvoo to Campobasso | 1,381.71 mi (2,223.65 km) |
| Porvoo to Campobello di Licata | 1,680.14 mi (2,703.93 km) |
| Porvoo to Campobello di Mazara | 1,670.99 mi (2,689.20 km) |
| Porvoo to Campodarsego | 1,172.19 mi (1,886.45 km) |
