| Bunol to Smolyan | 1,342.61 mi (2,160.72 km) |
| Bunol to Sofia | 1,272.39 mi (2,047.71 km) |
| Bunol to Sopot | 1,344.40 mi (2,163.61 km) |
| Bunol to Sozopol | 1,494.70 mi (2,405.49 km) |
| Bunol to Sredets | 1,469.32 mi (2,364.65 km) |
| Bunol to Stamboliyski | 1,333.20 mi (2,145.58 km) |
| Bunol to Stara Zagora | 1,390.15 mi (2,237.22 km) |
| Bunol to Svilengrad | 1,419.46 mi (2,284.40 km) |
| Bunol to Svishtov | 1,377.00 mi (2,216.07 km) |
| Bunol to Targovishte | 1,437.88 mi (2,314.04 km) |
| Bunol to Teteven | 1,320.37 mi (2,124.93 km) |
| Bunol to Troyan | 1,343.06 mi (2,161.45 km) |
| Bunol to Tryavna | 1,382.69 mi (2,225.23 km) |
| Bunol to Tutrakan | 1,441.72 mi (2,320.22 km) |
| Bunol to Varna | 1,504.96 mi (2,422.01 km) |
