| Cristuru Secuiesc to Smolyan | 325.75 mi (524.24 km) |
| Cristuru Secuiesc to Sofia | 261.99 mi (421.63 km) |
| Cristuru Secuiesc to Sopot | 252.01 mi (405.57 km) |
| Cristuru Secuiesc to Sozopol | 298.31 mi (480.08 km) |
| Cristuru Secuiesc to Sredets | 292.58 mi (470.86 km) |
| Cristuru Secuiesc to Stamboliyski | 288.39 mi (464.12 km) |
| Cristuru Secuiesc to Stara Zagora | 268.31 mi (431.80 km) |
| Cristuru Secuiesc to Svilengrad | 317.95 mi (511.68 km) |
| Cristuru Secuiesc to Svishtov | 185.46 mi (298.47 km) |
| Cristuru Secuiesc to Targovishte | 223.45 mi (359.60 km) |
| Cristuru Secuiesc to Teteven | 236.23 mi (380.18 km) |
| Cristuru Secuiesc to Troyan | 236.02 mi (379.83 km) |
| Cristuru Secuiesc to Tryavna | 237.73 mi (382.59 km) |
| Cristuru Secuiesc to Tutrakan | 172.97 mi (278.38 km) |
| Cristuru Secuiesc to Varna | 255.16 mi (410.64 km) |
