| Bilbao to Sacile | 780.02 mi (1,255.32 km) |
| Bilbao to Sala Consilina | 971.74 mi (1,563.87 km) |
| Bilbao to Salemi | 905.28 mi (1,456.91 km) |
| Bilbao to Salerno | 923.85 mi (1,486.79 km) |
| Bilbao to Salo | 682.53 mi (1,098.42 km) |
| Bilbao to Salsomaggiore Terme | 649.18 mi (1,044.75 km) |
| Bilbao to Saluzzo | 526.45 mi (847.24 km) |
| Bilbao to Salzano | 757.80 mi (1,219.56 km) |
| Bilbao to Samarate | 599.50 mi (964.80 km) |
| Bilbao to San Benedetto del Tronto | 846.69 mi (1,362.61 km) |
| Bilbao to San Biagio di Callalta | 771.77 mi (1,242.04 km) |
| Bilbao to San Bonifacio | 716.61 mi (1,153.27 km) |
| Bilbao to San Casciano in Val di Pesa | 707.33 mi (1,138.34 km) |
| Bilbao to San Cataldo | 972.97 mi (1,565.84 km) |
| Bilbao to San Cesareo | 805.45 mi (1,296.24 km) |
