| Targu Secuiesc to Devnya | 204.49 mi (329.10 km) |
| Targu Secuiesc to Dimitrovgrad | 274.02 mi (441.00 km) |
| Targu Secuiesc to Dobrich | 187.30 mi (301.43 km) |
| Targu Secuiesc to Dospat | 316.02 mi (508.59 km) |
| Targu Secuiesc to Dupnitsa | 298.19 mi (479.88 km) |
| Targu Secuiesc to Elhovo | 265.48 mi (427.25 km) |
| Targu Secuiesc to Etropole | 242.75 mi (390.67 km) |
| Targu Secuiesc to Gabrovo | 219.91 mi (353.91 km) |
| Targu Secuiesc to Gorna Oryahovitsa | 199.04 mi (320.32 km) |
| Targu Secuiesc to Gotse Delchev | 328.77 mi (529.10 km) |
| Targu Secuiesc to Harmanli | 281.02 mi (452.26 km) |
| Targu Secuiesc to Haskovo | 282.21 mi (454.18 km) |
| Targu Secuiesc to Ihtiman | 271.50 mi (436.94 km) |
| Targu Secuiesc to Isperih | 161.16 mi (259.36 km) |
| Targu Secuiesc to Kardzhali | 302.80 mi (487.32 km) |
