| Zulpich to Karlovo | 1,020.91 mi (1,643.00 km) |
| Zulpich to Karnobat | 1,108.26 mi (1,783.57 km) |
| Zulpich to Kavarna | 1,131.61 mi (1,821.15 km) |
| Zulpich to Kazanlak | 1,045.50 mi (1,682.56 km) |
| Zulpich to Knezha | 955.53 mi (1,537.78 km) |
| Zulpich to Kostinbrod | 951.35 mi (1,531.05 km) |
| Zulpich to Kozloduy | 929.76 mi (1,496.30 km) |
| Zulpich to Kyustendil | 955.68 mi (1,538.02 km) |
| Zulpich to Levski | 1,003.10 mi (1,614.34 km) |
| Zulpich to Lom | 908.28 mi (1,461.74 km) |
| Zulpich to Lovech | 996.18 mi (1,603.19 km) |
| Zulpich to Lukovit | 971.57 mi (1,563.59 km) |
| Zulpich to Lyaskovets | 1,037.65 mi (1,669.94 km) |
| Zulpich to Mezdra | 955.36 mi (1,537.51 km) |
| Zulpich to Momchilgrad | 1,094.51 mi (1,761.45 km) |
