| Olean to Sesimbra | 3,561.65 mi (5,731.92 km) |
| Olean to Setubal | 3,569.00 mi (5,743.75 km) |
| Olean to Sever do Vouga | 3,525.01 mi (5,672.96 km) |
| Olean to Silves | 3,634.34 mi (5,848.90 km) |
| Olean to Sines | 3,588.68 mi (5,775.42 km) |
| Olean to Sintra | 3,536.52 mi (5,691.47 km) |
| Olean to Sobrado de Paiva | 3,520.60 mi (5,665.85 km) |
| Olean to Sobral de Monte Agraco | 3,540.92 mi (5,698.57 km) |
| Olean to Soure | 3,533.40 mi (5,686.46 km) |
| Olean to Tabua | 3,552.33 mi (5,716.93 km) |
| Olean to Tavira | 3,674.75 mi (5,913.95 km) |
| Olean to Tomar | 3,557.66 mi (5,725.50 km) |
| Olean to Tondela | 3,544.97 mi (5,705.07 km) |
| Olean to Torre de Moncorvo | 3,568.48 mi (5,742.92 km) |
| Olean to Torres Novas | 3,556.30 mi (5,723.32 km) |
