| Straelen to Karlovo | 1,059.20 mi (1,704.61 km) |
| Straelen to Karnobat | 1,143.95 mi (1,841.01 km) |
| Straelen to Kavarna | 1,164.08 mi (1,873.41 km) |
| Straelen to Kazanlak | 1,083.11 mi (1,743.09 km) |
| Straelen to Knezha | 992.94 mi (1,597.98 km) |
| Straelen to Kostinbrod | 991.31 mi (1,595.36 km) |
| Straelen to Kozloduy | 966.98 mi (1,556.20 km) |
| Straelen to Kyustendil | 997.34 mi (1,605.06 km) |
| Straelen to Levski | 1,039.48 mi (1,672.88 km) |
| Straelen to Lom | 946.06 mi (1,522.53 km) |
| Straelen to Lovech | 1,033.57 mi (1,663.37 km) |
| Straelen to Lukovit | 1,009.52 mi (1,624.66 km) |
| Straelen to Lyaskovets | 1,073.89 mi (1,728.25 km) |
| Straelen to Mezdra | 994.02 mi (1,599.71 km) |
| Straelen to Momchilgrad | 1,134.11 mi (1,825.17 km) |
