| Siracusa to Setubal | 1,320.17 mi (2,124.61 km) |
| Siracusa to Sever do Vouga | 1,292.69 mi (2,080.38 km) |
| Siracusa to Silves | 1,303.61 mi (2,097.96 km) |
| Siracusa to Sines | 1,321.39 mi (2,126.58 km) |
| Siracusa to Sintra | 1,345.91 mi (2,166.04 km) |
| Siracusa to Sobrado de Paiva | 1,288.96 mi (2,074.38 km) |
| Siracusa to Sobral de Monte Agraco | 1,332.62 mi (2,144.64 km) |
| Siracusa to Soure | 1,304.65 mi (2,099.63 km) |
| Siracusa to Tabua | 1,273.57 mi (2,049.61 km) |
| Siracusa to Tavira | 1,261.05 mi (2,029.47 km) |
| Siracusa to Tomar | 1,292.72 mi (2,080.42 km) |
| Siracusa to Tondela | 1,276.97 mi (2,055.08 km) |
| Siracusa to Torre de Moncorvo | 1,231.28 mi (1,981.55 km) |
| Siracusa to Torres Novas | 1,298.93 mi (2,090.43 km) |
| Siracusa to Torres Vedras | 1,338.62 mi (2,154.30 km) |
