| Castricum to Setubal | 1,166.12 mi (1,876.69 km) |
| Castricum to Sever do Vouga | 1,020.81 mi (1,642.83 km) |
| Castricum to Silves | 1,236.07 mi (1,989.26 km) |
| Castricum to Sines | 1,199.82 mi (1,930.93 km) |
| Castricum to Sintra | 1,163.06 mi (1,871.77 km) |
| Castricum to Sobrado de Paiva | 1,000.55 mi (1,610.23 km) |
| Castricum to Sobral de Monte Agraco | 1,143.58 mi (1,840.41 km) |
| Castricum to Soure | 1,068.26 mi (1,719.20 km) |
| Castricum to Tabua | 1,033.34 mi (1,663.01 km) |
| Castricum to Tavira | 1,221.40 mi (1,965.65 km) |
| Castricum to Tomar | 1,088.97 mi (1,752.53 km) |
| Castricum to Tondela | 1,025.60 mi (1,650.55 km) |
| Castricum to Torre de Moncorvo | 959.44 mi (1,544.06 km) |
| Castricum to Torres Novas | 1,100.06 mi (1,770.37 km) |
| Castricum to Torres Vedras | 1,142.86 mi (1,839.25 km) |
