| Bottrop to Karlovo | 1,036.86 mi (1,668.66 km) |
| Bottrop to Karnobat | 1,120.46 mi (1,803.21 km) |
| Bottrop to Kavarna | 1,139.41 mi (1,833.70 km) |
| Bottrop to Kazanlak | 1,060.45 mi (1,706.63 km) |
| Bottrop to Knezha | 970.23 mi (1,561.44 km) |
| Bottrop to Kostinbrod | 969.82 mi (1,560.77 km) |
| Bottrop to Kozloduy | 944.21 mi (1,519.56 km) |
| Bottrop to Kyustendil | 976.75 mi (1,571.93 km) |
| Bottrop to Levski | 1,016.31 mi (1,635.60 km) |
| Bottrop to Lom | 923.54 mi (1,486.30 km) |
| Bottrop to Lovech | 1,010.84 mi (1,626.79 km) |
| Bottrop to Lukovit | 987.05 mi (1,588.50 km) |
| Bottrop to Lyaskovets | 1,050.65 mi (1,690.85 km) |
| Bottrop to Mezdra | 971.88 mi (1,564.09 km) |
| Bottrop to Momchilgrad | 1,112.37 mi (1,790.18 km) |
