| Walnut Creek to Sesimbra | 5,658.07 mi (9,105.79 km) |
| Walnut Creek to Setubal | 5,662.50 mi (9,112.91 km) |
| Walnut Creek to Sever do Vouga | 5,579.08 mi (8,978.67 km) |
| Walnut Creek to Silves | 5,743.68 mi (9,243.56 km) |
| Walnut Creek to Sines | 5,690.42 mi (9,157.84 km) |
| Walnut Creek to Sintra | 5,629.97 mi (9,060.55 km) |
| Walnut Creek to Sobrado de Paiva | 5,568.79 mi (8,962.10 km) |
| Walnut Creek to Sobral de Monte Agraco | 5,629.07 mi (9,059.12 km) |
| Walnut Creek to Soure | 5,600.94 mi (9,013.84 km) |
| Walnut Creek to Tabua | 5,609.62 mi (9,027.82 km) |
| Walnut Creek to Tavira | 5,778.55 mi (9,299.67 km) |
| Walnut Creek to Tomar | 5,630.54 mi (9,061.47 km) |
| Walnut Creek to Tondela | 5,600.16 mi (9,012.58 km) |
| Walnut Creek to Torre de Moncorvo | 5,603.85 mi (9,018.53 km) |
| Walnut Creek to Torres Novas | 5,632.27 mi (9,064.27 km) |
