| Butzbach to Karlovo | 934.17 mi (1,503.41 km) |
| Butzbach to Karnobat | 1,020.05 mi (1,641.61 km) |
| Butzbach to Kavarna | 1,042.19 mi (1,677.24 km) |
| Butzbach to Kazanlak | 958.32 mi (1,542.27 km) |
| Butzbach to Knezha | 868.22 mi (1,397.26 km) |
| Butzbach to Kostinbrod | 865.86 mi (1,393.46 km) |
| Butzbach to Kozloduy | 842.33 mi (1,355.59 km) |
| Butzbach to Kyustendil | 871.74 mi (1,402.93 km) |
| Butzbach to Levski | 915.21 mi (1,472.89 km) |
| Butzbach to Lom | 821.19 mi (1,321.57 km) |
| Butzbach to Lovech | 908.86 mi (1,462.68 km) |
| Butzbach to Lukovit | 884.60 mi (1,423.62 km) |
| Butzbach to Lyaskovets | 949.70 mi (1,528.39 km) |
| Butzbach to Mezdra | 868.87 mi (1,398.31 km) |
| Butzbach to Momchilgrad | 1,008.74 mi (1,623.41 km) |
