| Paducah to Sesimbra | 4,199.34 mi (6,758.18 km) |
| Paducah to Setubal | 4,206.96 mi (6,770.45 km) |
| Paducah to Sever do Vouga | 4,166.32 mi (6,705.05 km) |
| Paducah to Silves | 4,270.27 mi (6,872.33 km) |
| Paducah to Sines | 4,225.69 mi (6,800.58 km) |
| Paducah to Sintra | 4,174.61 mi (6,718.39 km) |
| Paducah to Sobrado de Paiva | 4,162.27 mi (6,698.53 km) |
| Paducah to Sobral de Monte Agraco | 4,179.52 mi (6,726.29 km) |
| Paducah to Soure | 4,173.77 mi (6,717.03 km) |
| Paducah to Tabua | 4,193.36 mi (6,748.55 km) |
| Paducah to Tavira | 4,311.17 mi (6,938.15 km) |
| Paducah to Tomar | 4,197.53 mi (6,755.28 km) |
| Paducah to Tondela | 4,186.15 mi (6,736.95 km) |
| Paducah to Torre de Moncorvo | 4,210.72 mi (6,776.50 km) |
| Paducah to Torres Novas | 4,195.93 mi (6,752.69 km) |
