| Ancona to Sestao | 827.47 mi (1,331.69 km) |
| Ancona to Sevilla | 1,113.08 mi (1,791.34 km) |
| Ancona to Sevilla La Nueva | 927.08 mi (1,491.99 km) |
| Ancona to Silla | 777.22 mi (1,250.82 km) |
| Ancona to Silleda | 1,094.92 mi (1,762.10 km) |
| Ancona to Sitges | 619.03 mi (996.23 km) |
| Ancona to Socuellamos | 894.09 mi (1,438.91 km) |
| Ancona to Soller | 617.59 mi (993.91 km) |
| Ancona to Solsona | 617.91 mi (994.42 km) |
| Ancona to Son Servera | 592.26 mi (953.14 km) |
| Ancona to Sonseca | 939.34 mi (1,511.71 km) |
| Ancona to Sopelana | 825.56 mi (1,328.61 km) |
| Ancona to Soria | 820.39 mi (1,320.29 km) |
| Ancona to Suances | 878.50 mi (1,413.81 km) |
| Ancona to Sueca | 777.52 mi (1,251.30 km) |
