| Smyrna to Sesimbra | 4,098.85 mi (6,596.46 km) |
| Smyrna to Setubal | 4,107.32 mi (6,610.09 km) |
| Smyrna to Sever do Vouga | 4,080.26 mi (6,566.54 km) |
| Smyrna to Silves | 4,164.07 mi (6,701.42 km) |
| Smyrna to Sines | 4,122.91 mi (6,635.18 km) |
| Smyrna to Sintra | 4,075.59 mi (6,559.02 km) |
| Smyrna to Sobrado de Paiva | 4,078.12 mi (6,563.10 km) |
| Smyrna to Sobral de Monte Agraco | 4,082.18 mi (6,569.63 km) |
| Smyrna to Soure | 4,083.28 mi (6,571.41 km) |
| Smyrna to Tabua | 4,105.77 mi (6,607.59 km) |
| Smyrna to Tavira | 4,206.16 mi (6,769.15 km) |
| Smyrna to Tomar | 4,104.88 mi (6,606.17 km) |
| Smyrna to Tondela | 4,099.36 mi (6,597.28 km) |
| Smyrna to Torre de Moncorvo | 4,129.59 mi (6,645.93 km) |
| Smyrna to Torres Novas | 4,102.30 mi (6,602.01 km) |
