| Ustron to Setubal | 1,563.83 mi (2,516.75 km) |
| Ustron to Sever do Vouga | 1,450.37 mi (2,334.15 km) |
| Ustron to Silves | 1,604.27 mi (2,581.82 km) |
| Ustron to Sines | 1,587.51 mi (2,554.85 km) |
| Ustron to Sintra | 1,573.08 mi (2,531.62 km) |
| Ustron to Sobrado de Paiva | 1,434.41 mi (2,308.46 km) |
| Ustron to Sobral de Monte Agraco | 1,553.78 mi (2,500.57 km) |
| Ustron to Soure | 1,489.02 mi (2,396.34 km) |
| Ustron to Tabua | 1,450.62 mi (2,334.54 km) |
| Ustron to Tavira | 1,575.02 mi (2,534.76 km) |
| Ustron to Tomar | 1,498.16 mi (2,411.05 km) |
| Ustron to Tondela | 1,446.70 mi (2,328.24 km) |
| Ustron to Torre de Moncorvo | 1,379.04 mi (2,219.34 km) |
| Ustron to Torres Novas | 1,508.66 mi (2,427.95 km) |
| Ustron to Torres Vedras | 1,555.92 mi (2,504.01 km) |
