| San Gwann to Sestao | 1,058.89 mi (1,704.12 km) |
| San Gwann to Sevilla | 1,137.24 mi (1,830.22 km) |
| San Gwann to Sevilla La Nueva | 1,049.29 mi (1,688.67 km) |
| San Gwann to Silla | 847.71 mi (1,364.25 km) |
| San Gwann to Silleda | 1,296.75 mi (2,086.91 km) |
| San Gwann to Sitges | 776.13 mi (1,249.06 km) |
| San Gwann to Socuellamos | 972.33 mi (1,564.82 km) |
| San Gwann to Soller | 695.07 mi (1,118.61 km) |
| San Gwann to Solsona | 812.15 mi (1,307.02 km) |
| San Gwann to Son Servera | 658.62 mi (1,059.94 km) |
| San Gwann to Sonseca | 1,037.48 mi (1,669.67 km) |
| San Gwann to Sopelana | 1,059.58 mi (1,705.24 km) |
| San Gwann to Soria | 995.46 mi (1,602.03 km) |
| San Gwann to Suances | 1,110.63 mi (1,787.39 km) |
| San Gwann to Sueca | 840.34 mi (1,352.40 km) |
