| Oberhausen to Karlovo | 1,037.88 mi (1,670.30 km) |
| Oberhausen to Karnobat | 1,121.67 mi (1,805.15 km) |
| Oberhausen to Kavarna | 1,140.82 mi (1,835.97 km) |
| Oberhausen to Kazanlak | 1,061.52 mi (1,708.35 km) |
| Oberhausen to Knezha | 971.31 mi (1,563.17 km) |
| Oberhausen to Kostinbrod | 970.70 mi (1,562.20 km) |
| Oberhausen to Kozloduy | 945.29 mi (1,521.30 km) |
| Oberhausen to Kyustendil | 977.51 mi (1,573.15 km) |
| Oberhausen to Levski | 1,017.46 mi (1,637.45 km) |
| Oberhausen to Lom | 924.59 mi (1,487.98 km) |
| Oberhausen to Lovech | 1,011.92 mi (1,628.53 km) |
| Oberhausen to Lukovit | 988.09 mi (1,590.17 km) |
| Oberhausen to Lyaskovets | 1,051.81 mi (1,692.72 km) |
| Oberhausen to Mezdra | 972.87 mi (1,565.68 km) |
| Oberhausen to Momchilgrad | 1,113.29 mi (1,791.67 km) |
