| Santo Tirso to Setubal | 195.39 mi (314.45 km) |
| Santo Tirso to Sever do Vouga | 41.78 mi (67.24 km) |
| Santo Tirso to Silves | 286.49 mi (461.06 km) |
| Santo Tirso to Sines | 234.39 mi (377.22 km) |
| Santo Tirso to Sintra | 181.74 mi (292.48 km) |
| Santo Tirso to Sobrado de Paiva | 23.19 mi (37.32 km) |
| Santo Tirso to Sobral de Monte Agraco | 164.01 mi (263.95 km) |
| Santo Tirso to Soure | 89.10 mi (143.39 km) |
| Santo Tirso to Tabua | 71.01 mi (114.28 km) |
| Santo Tirso to Tavira | 294.60 mi (474.11 km) |
| Santo Tirso to Tomar | 119.79 mi (192.78 km) |
| Santo Tirso to Tondela | 59.87 mi (96.35 km) |
| Santo Tirso to Torre de Moncorvo | 69.86 mi (112.43 km) |
| Santo Tirso to Torres Novas | 129.02 mi (207.63 km) |
| Santo Tirso to Torres Vedras | 161.09 mi (259.24 km) |
