| Backi Petrovac to Smolyan | 365.53 mi (588.26 km) |
| Backi Petrovac to Sofia | 261.25 mi (420.44 km) |
| Backi Petrovac to Sopot | 317.37 mi (510.76 km) |
| Backi Petrovac to Sozopol | 451.80 mi (727.10 km) |
| Backi Petrovac to Sredets | 432.13 mi (695.44 km) |
| Backi Petrovac to Stamboliyski | 332.39 mi (534.92 km) |
| Backi Petrovac to Stara Zagora | 363.00 mi (584.20 km) |
| Backi Petrovac to Svilengrad | 413.44 mi (665.36 km) |
| Backi Petrovac to Svishtov | 308.25 mi (496.08 km) |
| Backi Petrovac to Targovishte | 375.03 mi (603.56 km) |
| Backi Petrovac to Teteven | 286.71 mi (461.42 km) |
| Backi Petrovac to Troyan | 306.36 mi (493.03 km) |
| Backi Petrovac to Tryavna | 339.85 mi (546.94 km) |
| Backi Petrovac to Tutrakan | 356.53 mi (573.78 km) |
| Backi Petrovac to Varna | 437.33 mi (703.81 km) |
