| Ascoli Piceno to Smolyan | 575.11 mi (925.55 km) |
| Ascoli Piceno to Sofia | 494.15 mi (795.26 km) |
| Ascoli Piceno to Sopot | 566.32 mi (911.40 km) |
| Ascoli Piceno to Sozopol | 717.37 mi (1,154.49 km) |
| Ascoli Piceno to Sredets | 692.64 mi (1,114.70 km) |
| Ascoli Piceno to Stamboliyski | 559.67 mi (900.70 km) |
| Ascoli Piceno to Stara Zagora | 613.44 mi (987.24 km) |
| Ascoli Piceno to Svilengrad | 648.38 mi (1,043.47 km) |
| Ascoli Piceno to Svishtov | 594.19 mi (956.25 km) |
| Ascoli Piceno to Targovishte | 656.30 mi (1,056.21 km) |
| Ascoli Piceno to Teteven | 540.53 mi (869.90 km) |
| Ascoli Piceno to Troyan | 563.40 mi (906.71 km) |
| Ascoli Piceno to Tryavna | 603.05 mi (970.52 km) |
| Ascoli Piceno to Tutrakan | 658.29 mi (1,059.41 km) |
| Ascoli Piceno to Varna | 723.45 mi (1,164.29 km) |
