| Merzig to Karlovo | 987.43 mi (1,589.12 km) |
| Merzig to Karnobat | 1,079.79 mi (1,737.76 km) |
| Merzig to Kavarna | 1,109.46 mi (1,785.51 km) |
| Merzig to Kazanlak | 1,013.33 mi (1,630.80 km) |
| Merzig to Knezha | 924.25 mi (1,487.44 km) |
| Merzig to Kostinbrod | 914.60 mi (1,471.90 km) |
| Merzig to Kozloduy | 899.02 mi (1,446.83 km) |
| Merzig to Kyustendil | 915.11 mi (1,472.73 km) |
| Merzig to Levski | 973.72 mi (1,567.05 km) |
| Merzig to Lom | 876.50 mi (1,410.59 km) |
| Merzig to Lovech | 964.71 mi (1,552.55 km) |
| Merzig to Lukovit | 939.05 mi (1,511.25 km) |
| Merzig to Lyaskovets | 1,008.39 mi (1,622.85 km) |
| Merzig to Mezdra | 921.43 mi (1,482.89 km) |
| Merzig to Momchilgrad | 1,057.90 mi (1,702.52 km) |
