| Skien to Bombarral | 1,603.22 mi (2,580.13 km) |
| Skien to Bougado | 1,460.61 mi (2,350.62 km) |
| Skien to Braga | 1,444.20 mi (2,324.22 km) |
| Skien to Braganca | 1,391.32 mi (2,239.11 km) |
| Skien to Cabeceiras de Basto | 1,436.10 mi (2,311.18 km) |
| Skien to Cacem | 1,637.91 mi (2,635.97 km) |
| Skien to Cadaval | 1,604.17 mi (2,581.66 km) |
| Skien to Caldas da Rainha | 1,594.05 mi (2,565.37 km) |
| Skien to Calheta | 2,203.20 mi (3,545.71 km) |
| Skien to Camara de Lobos | 2,200.36 mi (3,541.13 km) |
| Skien to Canico | 2,200.52 mi (3,541.39 km) |
| Skien to Cantanhede | 1,523.11 mi (2,451.21 km) |
| Skien to Carregal do Sal | 1,504.50 mi (2,421.26 km) |
| Skien to Cartaxo | 1,602.43 mi (2,578.85 km) |
| Skien to Cascais | 1,644.76 mi (2,646.98 km) |
