| Oulu to Bombarral | 2,249.87 mi (3,620.81 km) |
| Oulu to Bougado | 2,108.30 mi (3,392.99 km) |
| Oulu to Braga | 2,091.91 mi (3,366.60 km) |
| Oulu to Braganca | 2,036.55 mi (3,277.51 km) |
| Oulu to Cabeceiras de Basto | 2,083.24 mi (3,352.65 km) |
| Oulu to Cacem | 2,284.32 mi (3,676.26 km) |
| Oulu to Cadaval | 2,250.70 mi (3,622.15 km) |
| Oulu to Caldas da Rainha | 2,240.80 mi (3,606.22 km) |
| Oulu to Calheta | 2,852.53 mi (4,590.70 km) |
| Oulu to Camara de Lobos | 2,849.70 mi (4,586.15 km) |
| Oulu to Canico | 2,849.87 mi (4,586.42 km) |
| Oulu to Cantanhede | 2,169.94 mi (3,492.18 km) |
| Oulu to Carregal do Sal | 2,150.43 mi (3,460.78 km) |
| Oulu to Cartaxo | 2,248.34 mi (3,618.35 km) |
| Oulu to Cascais | 2,291.27 mi (3,687.44 km) |
