| Gallatin to Smolyan | 5,517.32 mi (8,879.27 km) |
| Gallatin to Sofia | 5,414.01 mi (8,713.00 km) |
| Gallatin to Sopot | 5,471.67 mi (8,805.80 km) |
| Gallatin to Sozopol | 5,595.50 mi (9,005.09 km) |
| Gallatin to Sredets | 5,579.55 mi (8,979.42 km) |
| Gallatin to Stamboliyski | 5,486.24 mi (8,829.24 km) |
| Gallatin to Stara Zagora | 5,516.25 mi (8,877.54 km) |
| Gallatin to Svilengrad | 5,567.73 mi (8,960.39 km) |
| Gallatin to Svishtov | 5,451.57 mi (8,773.45 km) |
| Gallatin to Targovishte | 5,514.97 mi (8,875.48 km) |
| Gallatin to Teteven | 5,441.05 mi (8,756.53 km) |
| Gallatin to Troyan | 5,459.99 mi (8,787.00 km) |
| Gallatin to Tryavna | 5,490.94 mi (8,836.82 km) |
| Gallatin to Tutrakan | 5,479.87 mi (8,818.99 km) |
| Gallatin to Varna | 5,566.71 mi (8,958.75 km) |
