| Ortahisar to Smolyan | 574.42 mi (924.45 km) |
| Ortahisar to Sofia | 666.27 mi (1,072.26 km) |
| Ortahisar to Sopot | 598.40 mi (963.03 km) |
| Ortahisar to Sozopol | 458.43 mi (737.78 km) |
| Ortahisar to Sredets | 477.85 mi (769.02 km) |
| Ortahisar to Stamboliyski | 594.96 mi (957.50 km) |
| Ortahisar to Stara Zagora | 550.54 mi (886.01 km) |
| Ortahisar to Svilengrad | 506.01 mi (814.34 km) |
| Ortahisar to Svishtov | 603.05 mi (970.52 km) |
| Ortahisar to Targovishte | 537.29 mi (864.68 km) |
| Ortahisar to Teteven | 628.34 mi (1,011.21 km) |
| Ortahisar to Troyan | 606.74 mi (976.45 km) |
| Ortahisar to Tryavna | 570.79 mi (918.60 km) |
| Ortahisar to Tutrakan | 568.52 mi (914.95 km) |
| Ortahisar to Varna | 481.79 mi (775.37 km) |
