| Huedin to Sesimbra | 1,718.96 mi (2,766.41 km) |
| Huedin to Setubal | 1,706.49 mi (2,746.32 km) |
| Huedin to Sever do Vouga | 1,610.16 mi (2,591.30 km) |
| Huedin to Silves | 1,733.50 mi (2,789.80 km) |
| Huedin to Sines | 1,725.22 mi (2,776.48 km) |
| Huedin to Sintra | 1,720.26 mi (2,768.49 km) |
| Huedin to Sobrado de Paiva | 1,596.52 mi (2,569.35 km) |
| Huedin to Sobral de Monte Agraco | 1,701.78 mi (2,738.76 km) |
| Huedin to Soure | 1,643.77 mi (2,645.40 km) |
| Huedin to Tabua | 1,605.65 mi (2,584.04 km) |
| Huedin to Tavira | 1,699.64 mi (2,735.31 km) |
| Huedin to Tomar | 1,648.02 mi (2,652.23 km) |
| Huedin to Tondela | 1,603.38 mi (2,580.39 km) |
| Huedin to Torre de Moncorvo | 1,538.20 mi (2,475.49 km) |
| Huedin to Torres Novas | 1,657.85 mi (2,668.05 km) |
