| Targu Secuiesc to Popovo | 182.94 mi (294.41 km) |
| Targu Secuiesc to Provadia | 204.53 mi (329.17 km) |
| Targu Secuiesc to Radnevo | 255.64 mi (411.41 km) |
| Targu Secuiesc to Radomir | 285.66 mi (459.73 km) |
| Targu Secuiesc to Rakitovo | 295.54 mi (475.63 km) |
| Targu Secuiesc to Rakovski | 262.76 mi (422.88 km) |
| Targu Secuiesc to Razgrad | 171.21 mi (275.54 km) |
| Targu Secuiesc to Razlog | 313.77 mi (504.96 km) |
| Targu Secuiesc to Ruse | 150.47 mi (242.16 km) |
| Targu Secuiesc to Samokov | 283.44 mi (456.15 km) |
| Targu Secuiesc to Sandanski | 337.53 mi (543.20 km) |
| Targu Secuiesc to Sevlievo | 211.44 mi (340.28 km) |
| Targu Secuiesc to Shumen | 191.50 mi (308.18 km) |
| Targu Secuiesc to Silistra | 140.91 mi (226.77 km) |
| Targu Secuiesc to Sliven | 229.15 mi (368.77 km) |
