| Hebburn to Smolyan | 1,504.29 mi (2,420.91 km) |
| Hebburn to Sofia | 1,400.01 mi (2,253.10 km) |
| Hebburn to Sopot | 1,453.12 mi (2,338.57 km) |
| Hebburn to Sozopol | 1,571.97 mi (2,529.84 km) |
| Hebburn to Sredets | 1,556.74 mi (2,505.32 km) |
| Hebburn to Stamboliyski | 1,470.83 mi (2,367.07 km) |
| Hebburn to Stara Zagora | 1,496.16 mi (2,407.84 km) |
| Hebburn to Svilengrad | 1,548.70 mi (2,492.39 km) |
| Hebburn to Svishtov | 1,428.67 mi (2,299.22 km) |
| Hebburn to Targovishte | 1,491.32 mi (2,400.04 km) |
| Hebburn to Teteven | 1,422.75 mi (2,289.69 km) |
| Hebburn to Troyan | 1,440.57 mi (2,318.38 km) |
| Hebburn to Tryavna | 1,469.75 mi (2,365.33 km) |
| Hebburn to Tutrakan | 1,455.61 mi (2,342.59 km) |
| Hebburn to Varna | 1,542.45 mi (2,482.34 km) |
