| Olgiate Olona to Sestao | 607.09 mi (977.02 km) |
| Olgiate Olona to Sevilla | 961.68 mi (1,547.68 km) |
| Olgiate Olona to Sevilla La Nueva | 746.52 mi (1,201.40 km) |
| Olgiate Olona to Silla | 641.02 mi (1,031.61 km) |
| Olgiate Olona to Silleda | 870.36 mi (1,400.71 km) |
| Olgiate Olona to Sitges | 467.17 mi (751.84 km) |
| Olgiate Olona to Socuellamos | 737.79 mi (1,187.36 km) |
| Olgiate Olona to Soller | 512.38 mi (824.59 km) |
| Olgiate Olona to Solsona | 444.76 mi (715.76 km) |
| Olgiate Olona to Son Servera | 501.13 mi (806.50 km) |
| Olgiate Olona to Sonseca | 768.76 mi (1,237.20 km) |
| Olgiate Olona to Sopelana | 604.24 mi (972.42 km) |
| Olgiate Olona to Soria | 625.98 mi (1,007.42 km) |
| Olgiate Olona to Suances | 654.09 mi (1,052.65 km) |
| Olgiate Olona to Sueca | 645.25 mi (1,038.43 km) |
