| Burnley to Smolyan | 1,496.31 mi (2,408.07 km) |
| Burnley to Sofia | 1,392.38 mi (2,240.81 km) |
| Burnley to Sopot | 1,448.42 mi (2,331.01 km) |
| Burnley to Sozopol | 1,572.56 mi (2,530.80 km) |
| Burnley to Sredets | 1,556.16 mi (2,504.39 km) |
| Burnley to Stamboliyski | 1,464.10 mi (2,356.24 km) |
| Burnley to Stara Zagora | 1,492.70 mi (2,402.26 km) |
| Burnley to Svilengrad | 1,544.42 mi (2,485.50 km) |
| Burnley to Svishtov | 1,428.28 mi (2,298.60 km) |
| Burnley to Targovishte | 1,492.24 mi (2,401.52 km) |
| Burnley to Teteven | 1,417.85 mi (2,281.81 km) |
| Burnley to Troyan | 1,436.53 mi (2,311.87 km) |
| Burnley to Tryavna | 1,467.30 mi (2,361.39 km) |
| Burnley to Tutrakan | 1,459.15 mi (2,348.27 km) |
| Burnley to Varna | 1,545.84 mi (2,487.79 km) |
