| Monthey to Sesimbra | 978.26 mi (1,574.36 km) |
| Monthey to Setubal | 966.04 mi (1,554.69 km) |
| Monthey to Sever do Vouga | 855.21 mi (1,376.33 km) |
| Monthey to Silves | 1,007.91 mi (1,622.07 km) |
| Monthey to Sines | 989.90 mi (1,593.08 km) |
| Monthey to Sintra | 975.49 mi (1,569.91 km) |
| Monthey to Sobrado de Paiva | 840.05 mi (1,351.93 km) |
| Monthey to Sobral de Monte Agraco | 956.26 mi (1,538.95 km) |
| Monthey to Soure | 892.51 mi (1,436.36 km) |
| Monthey to Tabua | 854.10 mi (1,374.54 km) |
| Monthey to Tavira | 979.98 mi (1,577.13 km) |
| Monthey to Tomar | 900.79 mi (1,449.68 km) |
| Monthey to Tondela | 850.59 mi (1,368.89 km) |
| Monthey to Torre de Moncorvo | 783.48 mi (1,260.89 km) |
| Monthey to Torres Novas | 911.22 mi (1,466.46 km) |
