| Lackawanna to Smolyan | 4,917.54 mi (7,914.02 km) |
| Lackawanna to Sofia | 4,814.04 mi (7,747.45 km) |
| Lackawanna to Sopot | 4,871.14 mi (7,839.34 km) |
| Lackawanna to Sozopol | 4,994.10 mi (8,037.23 km) |
| Lackawanna to Sredets | 4,978.33 mi (8,011.84 km) |
| Lackawanna to Stamboliyski | 4,886.14 mi (7,863.48 km) |
| Lackawanna to Stara Zagora | 4,915.51 mi (7,910.74 km) |
| Lackawanna to Svilengrad | 4,967.17 mi (7,993.88 km) |
| Lackawanna to Svishtov | 4,850.30 mi (7,805.81 km) |
| Lackawanna to Targovishte | 4,913.53 mi (7,907.55 km) |
| Lackawanna to Teteven | 4,840.54 mi (7,790.10 km) |
| Lackawanna to Troyan | 4,859.33 mi (7,820.33 km) |
| Lackawanna to Tryavna | 4,890.01 mi (7,869.72 km) |
| Lackawanna to Tutrakan | 4,878.12 mi (7,850.57 km) |
| Lackawanna to Varna | 4,964.95 mi (7,990.32 km) |
