| Castle Rock to Sesimbra | 4,871.34 mi (7,839.66 km) |
| Castle Rock to Setubal | 4,877.25 mi (7,849.17 km) |
| Castle Rock to Sever do Vouga | 4,812.14 mi (7,744.39 km) |
| Castle Rock to Silves | 4,951.26 mi (7,968.28 km) |
| Castle Rock to Sines | 4,901.34 mi (7,887.94 km) |
| Castle Rock to Sintra | 4,844.44 mi (7,796.38 km) |
| Castle Rock to Sobrado de Paiva | 4,804.54 mi (7,732.15 km) |
| Castle Rock to Sobral de Monte Agraco | 4,846.14 mi (7,799.11 km) |
| Castle Rock to Soure | 4,827.75 mi (7,769.52 km) |
| Castle Rock to Tabua | 4,841.46 mi (7,791.58 km) |
| Castle Rock to Tavira | 4,989.19 mi (8,029.33 km) |
| Castle Rock to Tomar | 4,855.06 mi (7,813.47 km) |
| Castle Rock to Tondela | 4,832.90 mi (7,777.80 km) |
| Castle Rock to Torre de Moncorvo | 4,846.10 mi (7,799.04 km) |
| Castle Rock to Torres Novas | 4,855.32 mi (7,813.88 km) |
