| Freeport to Smolyan | 4,800.31 mi (7,725.36 km) |
| Freeport to Sofia | 4,698.11 mi (7,560.87 km) |
| Freeport to Sopot | 4,758.47 mi (7,658.01 km) |
| Freeport to Sozopol | 4,887.84 mi (7,866.22 km) |
| Freeport to Sredets | 4,870.53 mi (7,838.36 km) |
| Freeport to Stamboliyski | 4,770.77 mi (7,677.82 km) |
| Freeport to Stara Zagora | 4,804.16 mi (7,731.54 km) |
| Freeport to Svilengrad | 4,854.45 mi (7,812.48 km) |
| Freeport to Svishtov | 4,743.16 mi (7,633.38 km) |
| Freeport to Targovishte | 4,807.89 mi (7,737.55 km) |
| Freeport to Teteven | 4,727.81 mi (7,608.67 km) |
| Freeport to Troyan | 4,747.55 mi (7,640.44 km) |
| Freeport to Tryavna | 4,780.09 mi (7,692.82 km) |
| Freeport to Tutrakan | 4,775.91 mi (7,686.08 km) |
| Freeport to Varna | 4,862.52 mi (7,825.48 km) |
