| Chattanooga to Smolyan | 5,532.31 mi (8,903.40 km) |
| Chattanooga to Sofia | 5,429.46 mi (8,737.87 km) |
| Chattanooga to Sopot | 5,488.36 mi (8,832.66 km) |
| Chattanooga to Sozopol | 5,614.62 mi (9,035.87 km) |
| Chattanooga to Sredets | 5,598.10 mi (9,009.27 km) |
| Chattanooga to Stamboliyski | 5,501.92 mi (8,854.49 km) |
| Chattanooga to Stara Zagora | 5,533.44 mi (8,905.22 km) |
| Chattanooga to Svilengrad | 5,584.43 mi (8,987.27 km) |
| Chattanooga to Svishtov | 5,470.30 mi (8,803.59 km) |
| Chattanooga to Targovishte | 5,534.28 mi (8,906.57 km) |
| Chattanooga to Teteven | 5,457.70 mi (8,783.32 km) |
| Chattanooga to Troyan | 5,477.00 mi (8,814.38 km) |
| Chattanooga to Tryavna | 5,508.66 mi (8,865.34 km) |
| Chattanooga to Tutrakan | 5,500.42 mi (8,852.08 km) |
| Chattanooga to Varna | 5,587.23 mi (8,991.77 km) |
