| Bilbao to Sesimbra | 463.19 mi (745.43 km) |
| Bilbao to Setubal | 451.56 mi (726.72 km) |
| Bilbao to Sever do Vouga | 329.33 mi (530.00 km) |
| Bilbao to Silves | 510.17 mi (821.05 km) |
| Bilbao to Sines | 480.69 mi (773.60 km) |
| Bilbao to Sintra | 456.25 mi (734.27 km) |
| Bilbao to Sobrado de Paiva | 313.80 mi (505.01 km) |
| Bilbao to Sobral de Monte Agraco | 436.60 mi (702.64 km) |
| Bilbao to Soure | 368.61 mi (593.22 km) |
| Bilbao to Tabua | 330.34 mi (531.62 km) |
| Bilbao to Tavira | 491.96 mi (791.73 km) |
| Bilbao to Tomar | 380.40 mi (612.19 km) |
| Bilbao to Tondela | 325.91 mi (524.50 km) |
| Bilbao to Torre de Moncorvo | 257.99 mi (415.19 km) |
| Bilbao to Torres Novas | 391.25 mi (629.65 km) |
