| Concordia Sagittaria to Sestao | 797.65 mi (1,283.70 km) |
| Concordia Sagittaria to Sevilla | 1,134.82 mi (1,826.31 km) |
| Concordia Sagittaria to Sevilla La Nueva | 928.37 mi (1,494.07 km) |
| Concordia Sagittaria to Silla | 805.35 mi (1,296.08 km) |
| Concordia Sagittaria to Silleda | 1,061.74 mi (1,708.70 km) |
| Concordia Sagittaria to Sitges | 635.23 mi (1,022.30 km) |
| Concordia Sagittaria to Socuellamos | 911.24 mi (1,466.49 km) |
| Concordia Sagittaria to Soller | 660.10 mi (1,062.33 km) |
| Concordia Sagittaria to Solsona | 620.89 mi (999.22 km) |
| Concordia Sagittaria to Son Servera | 641.51 mi (1,032.41 km) |
| Concordia Sagittaria to Sonseca | 947.53 mi (1,524.90 km) |
| Concordia Sagittaria to Sopelana | 794.91 mi (1,279.29 km) |
| Concordia Sagittaria to Soria | 811.11 mi (1,305.36 km) |
| Concordia Sagittaria to Suances | 845.22 mi (1,360.25 km) |
| Concordia Sagittaria to Sueca | 807.95 mi (1,300.26 km) |
