| Tongeren to Karnobat | 1,158.56 mi (1,864.52 km) |
| Tongeren to Kavarna | 1,182.80 mi (1,903.54 km) |
| Tongeren to Kazanlak | 1,095.10 mi (1,762.39 km) |
| Tongeren to Knezha | 1,005.26 mi (1,617.81 km) |
| Tongeren to Kostinbrod | 999.92 mi (1,609.21 km) |
| Tongeren to Kozloduy | 979.57 mi (1,576.47 km) |
| Tongeren to Kyustendil | 1,003.29 mi (1,614.65 km) |
| Tongeren to Levski | 1,053.20 mi (1,694.96 km) |
| Tongeren to Lom | 957.88 mi (1,541.56 km) |
| Tongeren to Lovech | 1,045.89 mi (1,683.20 km) |
| Tongeren to Lukovit | 1,021.06 mi (1,643.24 km) |
| Tongeren to Lyaskovets | 1,087.79 mi (1,750.62 km) |
| Tongeren to Mezdra | 1,004.56 mi (1,616.68 km) |
| Tongeren to Momchilgrad | 1,143.19 mi (1,839.79 km) |
| Tongeren to Montana | 974.64 mi (1,568.54 km) |
