| Sieradz to Setubal | 1,608.29 mi (2,588.29 km) |
| Sieradz to Sever do Vouga | 1,486.44 mi (2,392.19 km) |
| Sieradz to Silves | 1,655.29 mi (2,663.94 km) |
| Sieradz to Sines | 1,634.35 mi (2,630.23 km) |
| Sieradz to Sintra | 1,615.01 mi (2,599.10 km) |
| Sieradz to Sobrado de Paiva | 1,469.29 mi (2,364.59 km) |
| Sieradz to Sobral de Monte Agraco | 1,595.44 mi (2,567.61 km) |
| Sieradz to Soure | 1,527.55 mi (2,458.35 km) |
| Sieradz to Tabua | 1,489.39 mi (2,396.93 km) |
| Sieradz to Tavira | 1,628.59 mi (2,620.97 km) |
| Sieradz to Tomar | 1,539.33 mi (2,477.31 km) |
| Sieradz to Tondela | 1,484.58 mi (2,389.20 km) |
| Sieradz to Torre de Moncorvo | 1,416.23 mi (2,279.20 km) |
| Sieradz to Torres Novas | 1,550.09 mi (2,494.63 km) |
| Sieradz to Torres Vedras | 1,596.98 mi (2,570.09 km) |
