| Triangle to Smolyan | 5,046.24 mi (8,121.14 km) |
| Triangle to Sofia | 4,943.97 mi (7,956.55 km) |
| Triangle to Sopot | 5,004.17 mi (8,053.43 km) |
| Triangle to Sozopol | 5,133.16 mi (8,261.02 km) |
| Triangle to Sredets | 5,115.95 mi (8,233.33 km) |
| Triangle to Stamboliyski | 5,016.62 mi (8,073.46 km) |
| Triangle to Stara Zagora | 5,049.79 mi (8,126.85 km) |
| Triangle to Svilengrad | 5,100.17 mi (8,207.93 km) |
| Triangle to Svishtov | 4,988.51 mi (8,028.24 km) |
| Triangle to Targovishte | 5,053.14 mi (8,132.25 km) |
| Triangle to Teteven | 4,973.51 mi (8,004.09 km) |
| Triangle to Troyan | 4,993.20 mi (8,035.78 km) |
| Triangle to Tryavna | 5,025.64 mi (8,087.99 km) |
| Triangle to Tutrakan | 5,020.88 mi (8,080.33 km) |
| Triangle to Varna | 5,107.54 mi (8,219.79 km) |
