| Grass Valley to Sesimbra | 5,556.84 mi (8,942.87 km) |
| Grass Valley to Setubal | 5,561.17 mi (8,949.84 km) |
| Grass Valley to Sever do Vouga | 5,476.80 mi (8,814.06 km) |
| Grass Valley to Silves | 5,642.75 mi (9,081.14 km) |
| Grass Valley to Sines | 5,589.31 mi (8,995.13 km) |
| Grass Valley to Sintra | 5,528.67 mi (8,897.54 km) |
| Grass Valley to Sobrado de Paiva | 5,466.38 mi (8,797.29 km) |
| Grass Valley to Sobral de Monte Agraco | 5,527.63 mi (8,895.86 km) |
| Grass Valley to Soure | 5,498.97 mi (8,849.74 km) |
| Grass Valley to Tabua | 5,507.39 mi (8,863.29 km) |
| Grass Valley to Tavira | 5,677.41 mi (9,136.91 km) |
| Grass Valley to Tomar | 5,528.67 mi (8,897.54 km) |
| Grass Valley to Tondela | 5,497.88 mi (8,847.99 km) |
| Grass Valley to Torre de Moncorvo | 5,501.12 mi (8,853.20 km) |
| Grass Valley to Torres Novas | 5,530.49 mi (8,900.47 km) |
