| Castricum to Bombarral | 1,128.84 mi (1,816.69 km) |
| Castricum to Bougado | 991.46 mi (1,595.61 km) |
| Castricum to Braga | 975.23 mi (1,569.48 km) |
| Castricum to Braganca | 913.57 mi (1,470.25 km) |
| Castricum to Cabeceiras de Basto | 964.54 mi (1,552.28 km) |
| Castricum to Cacem | 1,162.58 mi (1,870.99 km) |
| Castricum to Cadaval | 1,129.38 mi (1,817.55 km) |
| Castricum to Caldas da Rainha | 1,120.08 mi (1,802.59 km) |
| Castricum to Calheta | 1,748.39 mi (2,813.76 km) |
| Castricum to Camara de Lobos | 1,744.43 mi (2,807.38 km) |
| Castricum to Canico | 1,743.71 mi (2,806.24 km) |
| Castricum to Cantanhede | 1,049.79 mi (1,689.48 km) |
| Castricum to Carregal do Sal | 1,028.23 mi (1,654.78 km) |
| Castricum to Cartaxo | 1,125.69 mi (1,811.63 km) |
| Castricum to Cascais | 1,169.74 mi (1,882.52 km) |
