| Serpa to Setubal | 80.83 mi (130.08 km) |
| Serpa to Sever do Vouga | 196.99 mi (317.03 km) |
| Serpa to Silves | 69.70 mi (112.17 km) |
| Serpa to Sines | 68.95 mi (110.97 km) |
| Serpa to Sintra | 113.49 mi (182.65 km) |
| Serpa to Sobrado de Paiva | 216.35 mi (348.18 km) |
| Serpa to Sobral de Monte Agraco | 112.05 mi (180.33 km) |
| Serpa to Soure | 155.70 mi (250.58 km) |
| Serpa to Tabua | 168.49 mi (271.15 km) |
| Serpa to Tavira | 57.28 mi (92.18 km) |
| Serpa to Tomar | 122.56 mi (197.24 km) |
| Serpa to Tondela | 179.59 mi (289.02 km) |
| Serpa to Torre de Moncorvo | 226.28 mi (364.16 km) |
| Serpa to Torres Novas | 116.60 mi (187.66 km) |
| Serpa to Torres Vedras | 119.66 mi (192.57 km) |
