| Blackpool to Smolyan | 1,527.17 mi (2,457.74 km) |
| Blackpool to Sofia | 1,423.31 mi (2,290.59 km) |
| Blackpool to Sopot | 1,479.69 mi (2,381.33 km) |
| Blackpool to Sozopol | 1,604.35 mi (2,581.95 km) |
| Blackpool to Sredets | 1,587.83 mi (2,555.37 km) |
| Blackpool to Stamboliyski | 1,495.13 mi (2,406.17 km) |
| Blackpool to Stara Zagora | 1,524.09 mi (2,452.78 km) |
| Blackpool to Svilengrad | 1,575.71 mi (2,535.86 km) |
| Blackpool to Svishtov | 1,460.00 mi (2,349.64 km) |
| Blackpool to Targovishte | 1,524.06 mi (2,452.74 km) |
| Blackpool to Teteven | 1,449.10 mi (2,332.11 km) |
| Blackpool to Troyan | 1,467.87 mi (2,362.31 km) |
| Blackpool to Tryavna | 1,498.80 mi (2,412.09 km) |
| Blackpool to Tutrakan | 1,491.20 mi (2,399.85 km) |
| Blackpool to Varna | 1,577.87 mi (2,539.33 km) |
