| Thouars to Karlovo | 1,256.68 mi (2,022.43 km) |
| Thouars to Karnobat | 1,359.33 mi (2,187.62 km) |
| Thouars to Kavarna | 1,403.09 mi (2,258.06 km) |
| Thouars to Kazanlak | 1,285.25 mi (2,068.42 km) |
| Thouars to Knezha | 1,201.21 mi (1,933.17 km) |
| Thouars to Kostinbrod | 1,177.46 mi (1,894.93 km) |
| Thouars to Kozloduy | 1,178.16 mi (1,896.07 km) |
| Thouars to Kyustendil | 1,166.93 mi (1,877.99 km) |
| Thouars to Levski | 1,253.84 mi (2,017.87 km) |
| Thouars to Lom | 1,153.85 mi (1,856.94 km) |
| Thouars to Lovech | 1,239.90 mi (1,995.43 km) |
| Thouars to Lukovit | 1,212.38 mi (1,951.14 km) |
| Thouars to Lyaskovets | 1,287.82 mi (2,072.55 km) |
| Thouars to Mezdra | 1,191.66 mi (1,917.80 km) |
| Thouars to Momchilgrad | 1,316.28 mi (2,118.35 km) |
