| Welling to Sesimbra | 1,003.90 mi (1,615.62 km) |
| Welling to Setubal | 994.36 mi (1,600.27 km) |
| Welling to Sever do Vouga | 843.78 mi (1,357.94 km) |
| Welling to Silves | 1,071.11 mi (1,723.78 km) |
| Welling to Sines | 1,030.09 mi (1,657.78 km) |
| Welling to Sintra | 987.80 mi (1,589.71 km) |
| Welling to Sobrado de Paiva | 822.86 mi (1,324.26 km) |
| Welling to Sobral de Monte Agraco | 968.77 mi (1,559.09 km) |
| Welling to Soure | 892.45 mi (1,436.26 km) |
| Welling to Tabua | 859.68 mi (1,383.51 km) |
| Welling to Tavira | 1,061.25 mi (1,707.92 km) |
| Welling to Tomar | 916.01 mi (1,474.18 km) |
| Welling to Tondela | 851.01 mi (1,369.56 km) |
| Welling to Torre de Moncorvo | 787.68 mi (1,267.64 km) |
| Welling to Torres Novas | 926.95 mi (1,491.77 km) |
