| Balsta to Smolyan | 1,281.38 mi (2,062.19 km) |
| Balsta to Sofia | 1,192.48 mi (1,919.10 km) |
| Balsta to Sopot | 1,209.79 mi (1,946.96 km) |
| Balsta to Sozopol | 1,262.92 mi (2,032.47 km) |
| Balsta to Sredets | 1,260.22 mi (2,028.13 km) |
| Balsta to Stamboliyski | 1,242.43 mi (1,999.50 km) |
| Balsta to Stara Zagora | 1,234.61 mi (1,986.91 km) |
| Balsta to Svilengrad | 1,286.04 mi (2,069.67 km) |
| Balsta to Svishtov | 1,151.58 mi (1,853.30 km) |
| Balsta to Targovishte | 1,191.89 mi (1,918.16 km) |
| Balsta to Teteven | 1,186.68 mi (1,909.78 km) |
| Balsta to Troyan | 1,193.68 mi (1,921.04 km) |
| Balsta to Tryavna | 1,203.70 mi (1,937.16 km) |
| Balsta to Tutrakan | 1,139.22 mi (1,833.40 km) |
| Balsta to Varna | 1,213.33 mi (1,952.67 km) |
