| Saltcoats to Sesena | 1,074.29 mi (1,728.90 km) |
| Saltcoats to Sestao | 855.22 mi (1,376.34 km) |
| Saltcoats to Sevilla | 1,272.22 mi (2,047.44 km) |
| Saltcoats to Sevilla La Nueva | 1,056.85 mi (1,700.83 km) |
| Saltcoats to Silla | 1,142.25 mi (1,838.27 km) |
| Saltcoats to Silleda | 906.89 mi (1,459.49 km) |
| Saltcoats to Sitges | 1,038.79 mi (1,671.76 km) |
| Saltcoats to Socuellamos | 1,132.84 mi (1,823.12 km) |
| Saltcoats to Soller | 1,148.78 mi (1,848.79 km) |
| Saltcoats to Solsona | 984.21 mi (1,583.93 km) |
| Saltcoats to Son Servera | 1,167.84 mi (1,879.46 km) |
| Saltcoats to Sonseca | 1,101.69 mi (1,773.00 km) |
| Saltcoats to Sopelana | 850.47 mi (1,368.69 km) |
| Saltcoats to Soria | 963.92 mi (1,551.28 km) |
| Saltcoats to Suances | 843.71 mi (1,357.82 km) |
