| Syracuse to Smolyan | 4,802.25 mi (7,728.47 km) |
| Syracuse to Sofia | 4,699.02 mi (7,562.35 km) |
| Syracuse to Sopot | 4,757.01 mi (7,655.67 km) |
| Syracuse to Sozopol | 4,881.75 mi (7,856.41 km) |
| Syracuse to Sredets | 4,865.55 mi (7,830.35 km) |
| Syracuse to Stamboliyski | 4,771.31 mi (7,678.68 km) |
| Syracuse to Stara Zagora | 4,801.75 mi (7,727.67 km) |
| Syracuse to Svilengrad | 4,853.08 mi (7,810.28 km) |
| Syracuse to Svishtov | 4,737.63 mi (7,624.48 km) |
| Syracuse to Targovishte | 4,801.29 mi (7,726.93 km) |
| Syracuse to Teteven | 4,726.38 mi (7,606.37 km) |
| Syracuse to Troyan | 4,745.42 mi (7,637.02 km) |
| Syracuse to Tryavna | 4,776.62 mi (7,687.23 km) |
| Syracuse to Tutrakan | 4,766.80 mi (7,671.42 km) |
| Syracuse to Varna | 4,853.62 mi (7,811.15 km) |
