| Irig to Sesimbra | 1,551.51 mi (2,496.91 km) |
| Irig to Setubal | 1,539.00 mi (2,476.79 km) |
| Irig to Sever do Vouga | 1,451.46 mi (2,335.90 km) |
| Irig to Silves | 1,560.41 mi (2,511.24 km) |
| Irig to Sines | 1,555.54 mi (2,503.39 km) |
| Irig to Sintra | 1,554.68 mi (2,502.01 km) |
| Irig to Sobrado de Paiva | 1,439.14 mi (2,316.07 km) |
| Irig to Sobral de Monte Agraco | 1,536.70 mi (2,473.08 km) |
| Irig to Soure | 1,482.30 mi (2,385.53 km) |
| Irig to Tabua | 1,444.62 mi (2,324.89 km) |
| Irig to Tavira | 1,525.05 mi (2,454.32 km) |
| Irig to Tomar | 1,484.19 mi (2,388.57 km) |
| Irig to Tondela | 1,443.18 mi (2,322.57 km) |
| Irig to Torre de Moncorvo | 1,379.84 mi (2,220.64 km) |
| Irig to Torres Novas | 1,493.63 mi (2,403.77 km) |
