| Quickborn to Karlovo | 1,024.85 mi (1,649.33 km) |
| Quickborn to Karnobat | 1,093.61 mi (1,759.99 km) |
| Quickborn to Kavarna | 1,097.18 mi (1,765.74 km) |
| Quickborn to Kazanlak | 1,044.43 mi (1,680.85 km) |
| Quickborn to Knezha | 955.59 mi (1,537.88 km) |
| Quickborn to Kostinbrod | 968.35 mi (1,558.41 km) |
| Quickborn to Kozloduy | 929.41 mi (1,495.75 km) |
| Quickborn to Kyustendil | 984.33 mi (1,584.13 km) |
| Quickborn to Levski | 995.29 mi (1,601.77 km) |
| Quickborn to Lom | 912.18 mi (1,468.00 km) |
| Quickborn to Lovech | 995.00 mi (1,601.30 km) |
| Quickborn to Lukovit | 974.66 mi (1,568.57 km) |
| Quickborn to Lyaskovets | 1,028.05 mi (1,654.49 km) |
| Quickborn to Mezdra | 963.53 mi (1,550.65 km) |
| Quickborn to Momchilgrad | 1,105.36 mi (1,778.91 km) |
