| Cities | Distance |
|---|---|
| Tvrdosin to Karlovo | 526.27 mi (846.94 km) |
| Tvrdosin to Karnobat | 583.83 mi (939.58 km) |
| Tvrdosin to Kavarna | 583.48 mi (939.02 km) |
| Tvrdosin to Kazanlak | 542.02 mi (872.30 km) |
| Tvrdosin to Knezha | 456.99 mi (735.46 km) |
| Tvrdosin to Kostinbrod | 483.17 mi (777.58 km) |
| Tvrdosin to Kozloduy | 431.70 mi (694.76 km) |
| Tvrdosin to Kyustendil | 509.82 mi (820.48 km) |
| Tvrdosin to Levski | 490.39 mi (789.21 km) |
| Tvrdosin to Lom | 418.74 mi (673.90 km) |
| Tvrdosin to Lovech | 494.05 mi (795.09 km) |
| Tvrdosin to Lukovit | 477.44 mi (768.37 km) |
| Tvrdosin to Lyaskovets | 521.46 mi (839.20 km) |
| Tvrdosin to Mezdra | 470.79 mi (757.67 km) |
| Tvrdosin to Momchilgrad | 608.89 mi (979.92 km) |