| Des Moines to Sesimbra | 4,287.61 mi (6,900.24 km) |
| Des Moines to Setubal | 4,294.05 mi (6,910.60 km) |
| Des Moines to Sever do Vouga | 4,236.39 mi (6,817.82 km) |
| Des Moines to Silves | 4,365.10 mi (7,024.95 km) |
| Des Moines to Sines | 4,316.61 mi (6,946.91 km) |
| Des Moines to Sintra | 4,261.29 mi (6,857.88 km) |
| Des Moines to Sobrado de Paiva | 4,229.93 mi (6,807.41 km) |
| Des Moines to Sobral de Monte Agraco | 4,263.96 mi (6,862.18 km) |
| Des Moines to Soure | 4,249.44 mi (6,838.81 km) |
| Des Moines to Tabua | 4,265.07 mi (6,863.97 km) |
| Des Moines to Tavira | 4,404.00 mi (7,087.55 km) |
| Des Moines to Tomar | 4,275.71 mi (6,881.10 km) |
| Des Moines to Tondela | 4,256.92 mi (6,850.85 km) |
| Des Moines to Torre de Moncorvo | 4,273.91 mi (6,878.20 km) |
| Des Moines to Torres Novas | 4,275.39 mi (6,880.57 km) |
