| Tonsberg to Karlovo | 1,303.51 mi (2,097.79 km) |
| Tonsberg to Karnobat | 1,349.96 mi (2,172.54 km) |
| Tonsberg to Kavarna | 1,331.80 mi (2,143.32 km) |
| Tonsberg to Kazanlak | 1,317.21 mi (2,119.84 km) |
| Tonsberg to Knezha | 1,234.74 mi (1,987.13 km) |
| Tonsberg to Kostinbrod | 1,262.02 mi (2,031.02 km) |
| Tonsberg to Kozloduy | 1,209.88 mi (1,947.11 km) |
| Tonsberg to Kyustendil | 1,287.04 mi (2,071.29 km) |
| Tonsberg to Levski | 1,264.40 mi (2,034.86 km) |
| Tonsberg to Lom | 1,197.65 mi (1,927.43 km) |
| Tonsberg to Lovech | 1,270.54 mi (2,044.74 km) |
| Tonsberg to Lukovit | 1,255.46 mi (2,020.47 km) |
| Tonsberg to Lyaskovets | 1,293.38 mi (2,081.50 km) |
| Tonsberg to Mezdra | 1,249.64 mi (2,011.09 km) |
| Tonsberg to Momchilgrad | 1,386.34 mi (2,231.09 km) |
