| Heysham to Smolyan | 1,527.46 mi (2,458.20 km) |
| Heysham to Sofia | 1,423.49 mi (2,290.88 km) |
| Heysham to Sopot | 1,479.32 mi (2,380.73 km) |
| Heysham to Sozopol | 1,602.99 mi (2,579.76 km) |
| Heysham to Sredets | 1,586.70 mi (2,553.54 km) |
| Heysham to Stamboliyski | 1,495.16 mi (2,406.22 km) |
| Heysham to Stara Zagora | 1,523.49 mi (2,451.82 km) |
| Heysham to Svilengrad | 1,575.29 mi (2,535.19 km) |
| Heysham to Svishtov | 1,458.78 mi (2,347.68 km) |
| Heysham to Targovishte | 1,522.62 mi (2,450.41 km) |
| Heysham to Teteven | 1,448.76 mi (2,331.55 km) |
| Heysham to Troyan | 1,467.37 mi (2,361.50 km) |
| Heysham to Tryavna | 1,498.00 mi (2,410.80 km) |
| Heysham to Tutrakan | 1,489.23 mi (2,396.69 km) |
| Heysham to Varna | 1,575.96 mi (2,536.26 km) |
