| Derby to Karlovo | 1,400.17 mi (2,253.35 km) |
| Derby to Karnobat | 1,486.59 mi (2,392.44 km) |
| Derby to Kavarna | 1,507.29 mi (2,425.75 km) |
| Derby to Kazanlak | 1,424.62 mi (2,292.71 km) |
| Derby to Knezha | 1,334.59 mi (2,147.81 km) |
| Derby to Kostinbrod | 1,330.55 mi (2,141.32 km) |
| Derby to Kozloduy | 1,308.75 mi (2,106.23 km) |
| Derby to Kyustendil | 1,334.22 mi (2,147.22 km) |
| Derby to Levski | 1,381.77 mi (2,223.75 km) |
| Derby to Lom | 1,287.43 mi (2,071.91 km) |
| Derby to Lovech | 1,375.24 mi (2,213.23 km) |
| Derby to Lukovit | 1,350.76 mi (2,173.84 km) |
| Derby to Lyaskovets | 1,416.26 mi (2,279.25 km) |
| Derby to Mezdra | 1,334.65 mi (2,147.91 km) |
| Derby to Momchilgrad | 1,473.76 mi (2,371.79 km) |
