| Rostock to Karlovo | 978.30 mi (1,574.42 km) |
| Rostock to Karnobat | 1,040.09 mi (1,673.87 km) |
| Rostock to Kavarna | 1,037.40 mi (1,669.54 km) |
| Rostock to Kazanlak | 995.95 mi (1,602.82 km) |
| Rostock to Knezha | 908.76 mi (1,462.50 km) |
| Rostock to Kostinbrod | 927.09 mi (1,492.01 km) |
| Rostock to Kozloduy | 882.86 mi (1,420.83 km) |
| Rostock to Kyustendil | 946.88 mi (1,523.86 km) |
| Rostock to Levski | 945.24 mi (1,521.22 km) |
| Rostock to Lom | 867.36 mi (1,395.88 km) |
| Rostock to Lovech | 947.15 mi (1,524.30 km) |
| Rostock to Lukovit | 928.55 mi (1,494.36 km) |
| Rostock to Lyaskovets | 976.97 mi (1,572.28 km) |
| Rostock to Mezdra | 919.31 mi (1,479.49 km) |
| Rostock to Momchilgrad | 1,060.11 mi (1,706.08 km) |
