| Targu Ocna to Smolyan | 338.25 mi (544.36 km) |
| Targu Ocna to Sofia | 295.71 mi (475.90 km) |
| Targu Ocna to Sopot | 267.20 mi (430.02 km) |
| Targu Ocna to Sozopol | 272.20 mi (438.07 km) |
| Targu Ocna to Sredets | 273.04 mi (439.42 km) |
| Targu Ocna to Stamboliyski | 304.55 mi (490.12 km) |
| Targu Ocna to Stara Zagora | 270.06 mi (434.62 km) |
| Targu Ocna to Svilengrad | 312.53 mi (502.98 km) |
| Targu Ocna to Svishtov | 194.21 mi (312.54 km) |
| Targu Ocna to Targovishte | 209.36 mi (336.93 km) |
| Targu Ocna to Teteven | 259.59 mi (417.78 km) |
| Targu Ocna to Troyan | 252.67 mi (406.63 km) |
| Targu Ocna to Tryavna | 242.17 mi (389.74 km) |
| Targu Ocna to Tutrakan | 154.08 mi (247.96 km) |
| Targu Ocna to Varna | 221.00 mi (355.67 km) |
