| Fort Madison to Sesimbra | 4,214.10 mi (6,781.94 km) |
| Fort Madison to Setubal | 4,220.88 mi (6,792.85 km) |
| Fort Madison to Sever do Vouga | 4,168.02 mi (6,707.78 km) |
| Fort Madison to Silves | 4,289.84 mi (6,903.83 km) |
| Fort Madison to Sines | 4,242.39 mi (6,827.46 km) |
| Fort Madison to Sintra | 4,188.19 mi (6,740.25 km) |
| Fort Madison to Sobrado de Paiva | 4,162.24 mi (6,698.48 km) |
| Fort Madison to Sobral de Monte Agraco | 4,191.50 mi (6,745.57 km) |
| Fort Madison to Soure | 4,179.47 mi (6,726.20 km) |
| Fort Madison to Tabua | 4,196.26 mi (6,753.23 km) |
| Fort Madison to Tavira | 4,329.35 mi (6,967.42 km) |
| Fort Madison to Tomar | 4,205.06 mi (6,767.39 km) |
| Fort Madison to Tondela | 4,188.37 mi (6,740.54 km) |
| Fort Madison to Torre de Moncorvo | 4,207.59 mi (6,771.46 km) |
| Fort Madison to Torres Novas | 4,204.37 mi (6,766.28 km) |
