| Castricum to Castelo Branco | 1,051.74 mi (1,692.61 km) |
| Castricum to Castro Daire | 998.96 mi (1,607.67 km) |
| Castricum to Celorico de Basto | 972.72 mi (1,565.44 km) |
| Castricum to Chamusca | 1,105.68 mi (1,779.41 km) |
| Castricum to Chaves | 937.11 mi (1,508.13 km) |
| Castricum to Cinfaes | 992.90 mi (1,597.92 km) |
| Castricum to Coimbra | 1,053.13 mi (1,694.84 km) |
| Castricum to Condeixa-a-Nova | 1,060.64 mi (1,706.94 km) |
| Castricum to Corroios | 1,167.60 mi (1,879.08 km) |
| Castricum to Coruche | 1,130.40 mi (1,819.21 km) |
| Castricum to Costa de Caparica | 1,168.11 mi (1,879.89 km) |
| Castricum to Covilha | 1,023.72 mi (1,647.51 km) |
| Castricum to Eiras | 1,051.16 mi (1,691.68 km) |
| Castricum to Elvas | 1,100.84 mi (1,771.64 km) |
| Castricum to Entroncamento | 1,098.38 mi (1,767.68 km) |
