| Cincinnati to Sesimbra | 3,934.14 mi (6,331.39 km) |
| Cincinnati to Setubal | 3,941.69 mi (6,343.53 km) |
| Cincinnati to Sever do Vouga | 3,900.16 mi (6,276.70 km) |
| Cincinnati to Silves | 4,005.60 mi (6,446.39 km) |
| Cincinnati to Sines | 3,960.69 mi (6,374.12 km) |
| Cincinnati to Sintra | 3,909.30 mi (6,291.41 km) |
| Cincinnati to Sobrado de Paiva | 3,896.02 mi (6,270.04 km) |
| Cincinnati to Sobral de Monte Agraco | 3,914.06 mi (6,299.08 km) |
| Cincinnati to Soure | 3,907.83 mi (6,289.05 km) |
| Cincinnati to Tabua | 3,927.26 mi (6,320.31 km) |
| Cincinnati to Tavira | 4,046.36 mi (6,511.98 km) |
| Cincinnati to Tomar | 3,931.73 mi (6,327.51 km) |
| Cincinnati to Tondela | 3,920.01 mi (6,308.65 km) |
| Cincinnati to Torre de Moncorvo | 3,944.35 mi (6,347.82 km) |
| Cincinnati to Torres Novas | 3,930.19 mi (6,325.03 km) |
