| Echelon to Sesimbra | 3,448.61 mi (5,550.00 km) |
| Echelon to Setubal | 3,456.63 mi (5,562.91 km) |
| Echelon to Sever do Vouga | 3,423.00 mi (5,508.79 km) |
| Echelon to Silves | 3,517.15 mi (5,660.30 km) |
| Echelon to Sines | 3,473.97 mi (5,590.81 km) |
| Echelon to Sintra | 3,424.54 mi (5,511.26 km) |
| Echelon to Sobrado de Paiva | 3,420.07 mi (5,504.06 km) |
| Echelon to Sobral de Monte Agraco | 3,430.25 mi (5,520.45 km) |
| Echelon to Soure | 3,427.99 mi (5,516.82 km) |
| Echelon to Tabua | 3,449.20 mi (5,550.94 km) |
| Echelon to Tavira | 3,558.57 mi (5,726.97 km) |
| Echelon to Tomar | 3,450.63 mi (5,553.25 km) |
| Echelon to Tondela | 3,442.43 mi (5,540.06 km) |
| Echelon to Torre de Moncorvo | 3,470.38 mi (5,585.04 km) |
| Echelon to Torres Novas | 3,448.52 mi (5,549.85 km) |
