| Columbia to Smolyan | 5,401.95 mi (8,693.60 km) |
| Columbia to Sofia | 5,300.25 mi (8,529.93 km) |
| Columbia to Sopot | 5,361.46 mi (8,628.43 km) |
| Columbia to Sozopol | 5,492.31 mi (8,839.01 km) |
| Columbia to Sredets | 5,474.65 mi (8,810.59 km) |
| Columbia to Stamboliyski | 5,373.00 mi (8,647.01 km) |
| Columbia to Stara Zagora | 5,407.45 mi (8,702.45 km) |
| Columbia to Svilengrad | 5,457.33 mi (8,782.73 km) |
| Columbia to Svishtov | 5,347.55 mi (8,606.04 km) |
| Columbia to Targovishte | 5,412.56 mi (8,710.67 km) |
| Columbia to Teteven | 5,330.81 mi (8,579.11 km) |
| Columbia to Troyan | 5,350.79 mi (8,611.26 km) |
| Columbia to Tryavna | 5,383.78 mi (8,664.36 km) |
| Columbia to Tutrakan | 5,381.31 mi (8,660.38 km) |
| Columbia to Varna | 5,467.82 mi (8,799.60 km) |
