| Thonex to Karlovo | 948.67 mi (1,526.74 km) |
| Thonex to Karnobat | 1,052.22 mi (1,693.39 km) |
| Thonex to Kavarna | 1,098.55 mi (1,767.94 km) |
| Thonex to Kazanlak | 977.43 mi (1,573.02 km) |
| Thonex to Knezha | 894.27 mi (1,439.19 km) |
| Thonex to Kostinbrod | 869.13 mi (1,398.73 km) |
| Thonex to Kozloduy | 871.66 mi (1,402.81 km) |
| Thonex to Kyustendil | 858.26 mi (1,381.23 km) |
| Thonex to Levski | 947.18 mi (1,524.34 km) |
| Thonex to Lom | 847.17 mi (1,363.39 km) |
| Thonex to Lovech | 932.58 mi (1,500.84 km) |
| Thonex to Lukovit | 904.91 mi (1,456.32 km) |
| Thonex to Lyaskovets | 980.93 mi (1,578.65 km) |
| Thonex to Mezdra | 883.91 mi (1,422.52 km) |
| Thonex to Momchilgrad | 1,007.64 mi (1,621.64 km) |
