| Mulheim-Karlich to Karlovo | 978.06 mi (1,574.03 km) |
| Mulheim-Karlich to Karnobat | 1,065.69 mi (1,715.07 km) |
| Mulheim-Karlich to Kavarna | 1,089.62 mi (1,753.58 km) |
| Mulheim-Karlich to Kazanlak | 1,002.70 mi (1,613.69 km) |
| Mulheim-Karlich to Knezha | 912.76 mi (1,468.95 km) |
| Mulheim-Karlich to Kostinbrod | 908.40 mi (1,461.93 km) |
| Mulheim-Karlich to Kozloduy | 887.01 mi (1,427.51 km) |
| Mulheim-Karlich to Kyustendil | 912.73 mi (1,468.90 km) |
| Mulheim-Karlich to Levski | 960.45 mi (1,545.70 km) |
| Mulheim-Karlich to Lom | 865.48 mi (1,392.86 km) |
| Mulheim-Karlich to Lovech | 953.41 mi (1,534.36 km) |
| Mulheim-Karlich to Lukovit | 928.74 mi (1,494.67 km) |
| Mulheim-Karlich to Lyaskovets | 995.02 mi (1,601.33 km) |
| Mulheim-Karlich to Mezdra | 912.48 mi (1,468.50 km) |
| Mulheim-Karlich to Momchilgrad | 1,051.58 mi (1,692.35 km) |
