| Barrow in Furness to Sesena | 968.05 mi (1,557.93 km) |
| Barrow in Furness to Sestao | 746.27 mi (1,201.01 km) |
| Barrow in Furness to Sevilla | 1,173.04 mi (1,887.83 km) |
| Barrow in Furness to Sevilla La Nueva | 951.68 mi (1,531.58 km) |
| Barrow in Furness to Silla | 1,027.53 mi (1,653.65 km) |
| Barrow in Furness to Silleda | 820.66 mi (1,320.72 km) |
| Barrow in Furness to Sitges | 919.38 mi (1,479.60 km) |
| Barrow in Furness to Socuellamos | 1,023.99 mi (1,647.95 km) |
| Barrow in Furness to Soller | 1,028.86 mi (1,655.78 km) |
| Barrow in Furness to Solsona | 864.86 mi (1,391.86 km) |
| Barrow in Furness to Son Servera | 1,047.27 mi (1,685.42 km) |
| Barrow in Furness to Sonseca | 996.26 mi (1,603.33 km) |
| Barrow in Furness to Sopelana | 741.41 mi (1,193.19 km) |
| Barrow in Furness to Soria | 853.61 mi (1,373.75 km) |
| Barrow in Furness to Suances | 738.68 mi (1,188.80 km) |
