| Asenovgrad to Sestao | 1,412.36 mi (2,272.97 km) |
| Asenovgrad to Sevilla | 1,665.42 mi (2,680.24 km) |
| Asenovgrad to Sevilla La Nueva | 1,499.86 mi (2,413.79 km) |
| Asenovgrad to Silla | 1,331.97 mi (2,143.60 km) |
| Asenovgrad to Silleda | 1,679.74 mi (2,703.29 km) |
| Asenovgrad to Sitges | 1,188.74 mi (1,913.10 km) |
| Asenovgrad to Socuellamos | 1,455.63 mi (2,342.62 km) |
| Asenovgrad to Soller | 1,164.85 mi (1,874.64 km) |
| Asenovgrad to Solsona | 1,195.03 mi (1,923.22 km) |
| Asenovgrad to Son Servera | 1,133.60 mi (1,824.35 km) |
| Asenovgrad to Sonseca | 1,507.19 mi (2,425.59 km) |
| Asenovgrad to Sopelana | 1,410.53 mi (2,270.04 km) |
| Asenovgrad to Soria | 1,399.95 mi (2,253.00 km) |
| Asenovgrad to Suances | 1,463.61 mi (2,355.46 km) |
| Asenovgrad to Sueca | 1,329.97 mi (2,140.38 km) |
