| Shasta Lake to Sesimbra | 5,539.98 mi (8,915.74 km) |
| Shasta Lake to Setubal | 5,543.95 mi (8,922.12 km) |
| Shasta Lake to Sever do Vouga | 5,455.57 mi (8,779.89 km) |
| Shasta Lake to Silves | 5,627.04 mi (9,055.85 km) |
| Shasta Lake to Sines | 5,572.93 mi (8,968.76 km) |
| Shasta Lake to Sintra | 5,511.60 mi (8,870.07 km) |
| Shasta Lake to Sobrado de Paiva | 5,444.57 mi (8,762.19 km) |
| Shasta Lake to Sobral de Monte Agraco | 5,509.94 mi (8,867.40 km) |
| Shasta Lake to Soure | 5,479.09 mi (8,817.75 km) |
| Shasta Lake to Tabua | 5,486.34 mi (8,829.42 km) |
| Shasta Lake to Tavira | 5,660.85 mi (9,110.26 km) |
| Shasta Lake to Tomar | 5,509.24 mi (8,866.26 km) |
| Shasta Lake to Tondela | 5,476.66 mi (8,813.83 km) |
| Shasta Lake to Torre de Moncorvo | 5,477.78 mi (8,815.63 km) |
| Shasta Lake to Torres Novas | 5,511.40 mi (8,869.74 km) |
