| Castleton to Sesimbra | 1,096.78 mi (1,765.09 km) |
| Castleton to Setubal | 1,088.50 mi (1,751.77 km) |
| Castleton to Sever do Vouga | 933.91 mi (1,502.98 km) |
| Castleton to Silves | 1,172.33 mi (1,886.69 km) |
| Castleton to Sines | 1,126.21 mi (1,812.46 km) |
| Castleton to Sintra | 1,077.32 mi (1,733.78 km) |
| Castleton to Sobrado de Paiva | 912.54 mi (1,468.60 km) |
| Castleton to Sobral de Monte Agraco | 1,059.29 mi (1,704.77 km) |
| Castleton to Soure | 983.16 mi (1,582.24 km) |
| Castleton to Tabua | 954.09 mi (1,535.46 km) |
| Castleton to Tavira | 1,168.02 mi (1,879.75 km) |
| Castleton to Tomar | 1,010.12 mi (1,625.63 km) |
| Castleton to Tondela | 944.38 mi (1,519.83 km) |
| Castleton to Torre de Moncorvo | 886.43 mi (1,426.58 km) |
| Castleton to Torres Novas | 1,020.61 mi (1,642.52 km) |
