| Formello to Sestao | 785.75 mi (1,264.54 km) |
| Formello to Sevilla | 1,031.35 mi (1,659.79 km) |
| Formello to Sevilla La Nueva | 860.88 mi (1,385.46 km) |
| Formello to Silla | 695.89 mi (1,119.92 km) |
| Formello to Silleda | 1,051.14 mi (1,691.65 km) |
| Formello to Sitges | 549.74 mi (884.73 km) |
| Formello to Socuellamos | 817.84 mi (1,316.18 km) |
| Formello to Soller | 530.72 mi (854.12 km) |
| Formello to Solsona | 558.08 mi (898.14 km) |
| Formello to Son Servera | 501.84 mi (807.64 km) |
| Formello to Sonseca | 868.29 mi (1,397.37 km) |
| Formello to Sopelana | 784.51 mi (1,262.55 km) |
| Formello to Soria | 763.60 mi (1,228.89 km) |
| Formello to Suances | 838.32 mi (1,349.14 km) |
| Formello to Sueca | 694.72 mi (1,118.05 km) |
