| Dayton to Sesimbra | 3,900.69 mi (6,277.56 km) |
| Dayton to Setubal | 3,908.14 mi (6,289.54 km) |
| Dayton to Sever do Vouga | 3,865.15 mi (6,220.36 km) |
| Dayton to Silves | 3,972.76 mi (6,393.54 km) |
| Dayton to Sines | 3,927.49 mi (6,320.68 km) |
| Dayton to Sintra | 3,875.70 mi (6,237.34 km) |
| Dayton to Sobrado de Paiva | 3,860.81 mi (6,213.38 km) |
| Dayton to Sobral de Monte Agraco | 3,880.28 mi (6,244.70 km) |
| Dayton to Soure | 3,873.30 mi (6,233.47 km) |
| Dayton to Tabua | 3,892.40 mi (6,264.21 km) |
| Dayton to Tavira | 4,013.36 mi (6,458.88 km) |
| Dayton to Tomar | 3,897.41 mi (6,272.28 km) |
| Dayton to Tondela | 3,885.07 mi (6,252.42 km) |
| Dayton to Torre de Moncorvo | 3,908.81 mi (6,290.61 km) |
| Dayton to Torres Novas | 3,895.98 mi (6,269.98 km) |
