| Meridian to Sesimbra | 5,176.16 mi (8,330.23 km) |
| Meridian to Setubal | 5,180.28 mi (8,336.86 km) |
| Meridian to Sever do Vouga | 5,093.78 mi (8,197.65 km) |
| Meridian to Silves | 5,262.78 mi (8,469.63 km) |
| Meridian to Sines | 5,208.92 mi (8,382.95 km) |
| Meridian to Sintra | 5,147.87 mi (8,284.69 km) |
| Meridian to Sobrado de Paiva | 5,083.08 mi (8,180.43 km) |
| Meridian to Sobral de Monte Agraco | 5,146.47 mi (8,282.44 km) |
| Meridian to Soure | 5,116.62 mi (8,234.40 km) |
| Meridian to Tabua | 5,124.46 mi (8,247.02 km) |
| Meridian to Tavira | 5,296.93 mi (8,524.58 km) |
| Meridian to Tomar | 5,146.56 mi (8,282.58 km) |
| Meridian to Tondela | 5,114.87 mi (8,231.58 km) |
| Meridian to Torre de Moncorvo | 5,117.15 mi (8,235.26 km) |
| Meridian to Torres Novas | 5,148.55 mi (8,285.80 km) |
