| Broxburn to Smolyan | 1,602.67 mi (2,579.25 km) |
| Broxburn to Sofia | 1,498.37 mi (2,411.39 km) |
| Broxburn to Sopot | 1,550.56 mi (2,495.38 km) |
| Broxburn to Sozopol | 1,667.46 mi (2,683.51 km) |
| Broxburn to Sredets | 1,652.68 mi (2,659.73 km) |
| Broxburn to Stamboliyski | 1,568.88 mi (2,524.86 km) |
| Broxburn to Stara Zagora | 1,593.16 mi (2,563.95 km) |
| Broxburn to Svilengrad | 1,645.94 mi (2,648.88 km) |
| Broxburn to Svishtov | 1,524.65 mi (2,453.69 km) |
| Broxburn to Targovishte | 1,586.75 mi (2,553.62 km) |
| Broxburn to Teteven | 1,520.28 mi (2,446.65 km) |
| Broxburn to Troyan | 1,537.81 mi (2,474.87 km) |
| Broxburn to Tryavna | 1,566.43 mi (2,520.93 km) |
| Broxburn to Tutrakan | 1,550.03 mi (2,494.54 km) |
| Broxburn to Varna | 1,636.84 mi (2,634.24 km) |
