| Bar to Sestao | 1,122.20 mi (1,806.00 km) |
| Bar to Sevilla | 1,370.52 mi (2,205.65 km) |
| Bar to Sevilla La Nueva | 1,204.32 mi (1,938.17 km) |
| Bar to Silla | 1,036.50 mi (1,668.08 km) |
| Bar to Silleda | 1,389.12 mi (2,235.58 km) |
| Bar to Sitges | 893.18 mi (1,437.44 km) |
| Bar to Socuellamos | 1,159.89 mi (1,866.66 km) |
| Bar to Soller | 869.67 mi (1,399.60 km) |
| Bar to Solsona | 900.55 mi (1,449.29 km) |
| Bar to Son Servera | 838.86 mi (1,350.01 km) |
| Bar to Sonseca | 1,211.38 mi (1,949.53 km) |
| Bar to Sopelana | 1,120.60 mi (1,803.43 km) |
| Bar to Soria | 1,105.82 mi (1,779.65 km) |
| Bar to Suances | 1,174.05 mi (1,889.46 km) |
| Bar to Sueca | 1,034.67 mi (1,665.13 km) |
