| Monteprandone to Smolyan | 562.94 mi (905.96 km) |
| Monteprandone to Sofia | 481.36 mi (774.67 km) |
| Monteprandone to Sopot | 553.50 mi (890.77 km) |
| Monteprandone to Sozopol | 704.54 mi (1,133.85 km) |
| Monteprandone to Sredets | 679.87 mi (1,094.14 km) |
| Monteprandone to Stamboliyski | 547.16 mi (880.56 km) |
| Monteprandone to Stara Zagora | 600.70 mi (966.73 km) |
| Monteprandone to Svilengrad | 635.95 mi (1,023.47 km) |
| Monteprandone to Svishtov | 580.97 mi (934.98 km) |
| Monteprandone to Targovishte | 643.19 mi (1,035.12 km) |
| Monteprandone to Teteven | 527.59 mi (849.08 km) |
| Monteprandone to Troyan | 550.47 mi (885.90 km) |
| Monteprandone to Tryavna | 590.11 mi (949.69 km) |
| Monteprandone to Tutrakan | 644.96 mi (1,037.97 km) |
| Monteprandone to Varna | 710.35 mi (1,143.19 km) |
