| Porvoo to Bombarral | 2,086.34 mi (3,357.65 km) |
| Porvoo to Bougado | 1,951.25 mi (3,140.23 km) |
| Porvoo to Braga | 1,935.10 mi (3,114.24 km) |
| Porvoo to Braganca | 1,870.52 mi (3,010.31 km) |
| Porvoo to Cabeceiras de Basto | 1,923.78 mi (3,096.03 km) |
| Porvoo to Cacem | 2,119.46 mi (3,410.94 km) |
| Porvoo to Cadaval | 2,086.68 mi (3,358.18 km) |
| Porvoo to Caldas da Rainha | 2,077.81 mi (3,343.91 km) |
| Porvoo to Calheta | 2,709.13 mi (4,359.92 km) |
| Porvoo to Camara de Lobos | 2,705.12 mi (4,353.47 km) |
| Porvoo to Canico | 2,704.36 mi (4,352.25 km) |
| Porvoo to Cantanhede | 2,008.09 mi (3,231.71 km) |
| Porvoo to Carregal do Sal | 1,985.29 mi (3,195.02 km) |
| Porvoo to Cartaxo | 2,081.98 mi (3,350.63 km) |
| Porvoo to Cascais | 2,126.75 mi (3,422.68 km) |
