| Serik to Sesimbra | 2,183.26 mi (3,513.62 km) |
| Serik to Setubal | 2,171.27 mi (3,494.33 km) |
| Serik to Sever do Vouga | 2,122.74 mi (3,416.22 km) |
| Serik to Silves | 2,164.20 mi (3,482.94 km) |
| Serik to Sines | 2,176.75 mi (3,503.14 km) |
| Serik to Sintra | 2,194.46 mi (3,531.64 km) |
| Serik to Sobrado de Paiva | 2,115.52 mi (3,404.60 km) |
| Serik to Sobral de Monte Agraco | 2,179.48 mi (3,507.53 km) |
| Serik to Soure | 2,142.04 mi (3,447.28 km) |
| Serik to Tabua | 2,107.87 mi (3,392.28 km) |
| Serik to Tavira | 2,122.64 mi (3,416.05 km) |
| Serik to Tomar | 2,134.69 mi (3,435.46 km) |
| Serik to Tondela | 2,109.52 mi (3,394.95 km) |
| Serik to Torre de Moncorvo | 2,055.75 mi (3,308.42 km) |
| Serik to Torres Novas | 2,142.12 mi (3,447.41 km) |
