| Porvoo to Castelo Branco | 2,005.62 mi (3,227.73 km) |
| Porvoo to Castro Daire | 1,956.86 mi (3,149.27 km) |
| Porvoo to Celorico de Basto | 1,931.68 mi (3,108.73 km) |
| Porvoo to Chamusca | 2,061.57 mi (3,317.77 km) |
| Porvoo to Chaves | 1,895.67 mi (3,050.78 km) |
| Porvoo to Cinfaes | 1,951.62 mi (3,140.83 km) |
| Porvoo to Coimbra | 2,010.79 mi (3,236.05 km) |
| Porvoo to Condeixa-a-Nova | 2,018.28 mi (3,248.11 km) |
| Porvoo to Corroios | 2,123.72 mi (3,417.80 km) |
| Porvoo to Coruche | 2,085.46 mi (3,356.22 km) |
| Porvoo to Costa de Caparica | 2,124.53 mi (3,419.10 km) |
| Porvoo to Covilha | 1,978.91 mi (3,184.75 km) |
| Porvoo to Eiras | 2,008.87 mi (3,232.97 km) |
| Porvoo to Elvas | 2,050.22 mi (3,299.51 km) |
| Porvoo to Entroncamento | 2,054.50 mi (3,306.40 km) |
