| Fern Down to Sesimbra | 923.79 mi (1,486.70 km) |
| Fern Down to Setubal | 914.75 mi (1,472.15 km) |
| Fern Down to Sever do Vouga | 762.08 mi (1,226.45 km) |
| Fern Down to Silves | 994.81 mi (1,601.00 km) |
| Fern Down to Sines | 951.42 mi (1,531.16 km) |
| Fern Down to Sintra | 906.30 mi (1,458.55 km) |
| Fern Down to Sobrado de Paiva | 740.91 mi (1,192.37 km) |
| Fern Down to Sobral de Monte Agraco | 887.62 mi (1,428.48 km) |
| Fern Down to Soure | 811.14 mi (1,305.41 km) |
| Fern Down to Tabua | 779.79 mi (1,254.96 km) |
| Fern Down to Tavira | 987.62 mi (1,589.42 km) |
| Fern Down to Tomar | 836.18 mi (1,345.70 km) |
| Fern Down to Tondela | 770.66 mi (1,240.25 km) |
| Fern Down to Torre de Moncorvo | 709.44 mi (1,141.74 km) |
| Fern Down to Torres Novas | 846.96 mi (1,363.05 km) |
