| Black Forest to Karlovo | 5,966.00 mi (9,601.35 km) |
| Black Forest to Karnobat | 6,031.91 mi (9,707.42 km) |
| Black Forest to Kavarna | 6,025.85 mi (9,697.67 km) |
| Black Forest to Kazanlak | 5,985.51 mi (9,632.74 km) |
| Black Forest to Knezha | 5,896.77 mi (9,489.94 km) |
| Black Forest to Kostinbrod | 5,907.45 mi (9,507.13 km) |
| Black Forest to Kozloduy | 5,870.59 mi (9,447.80 km) |
| Black Forest to Kyustendil | 5,919.71 mi (9,526.86 km) |
| Black Forest to Levski | 5,935.88 mi (9,552.87 km) |
| Black Forest to Lom | 5,853.12 mi (9,419.69 km) |
| Black Forest to Lovech | 5,936.14 mi (9,553.30 km) |
| Black Forest to Lukovit | 5,915.79 mi (9,520.54 km) |
| Black Forest to Lyaskovets | 5,968.17 mi (9,604.83 km) |
| Black Forest to Mezdra | 5,904.22 mi (9,501.92 km) |
| Black Forest to Momchilgrad | 6,046.19 mi (9,730.39 km) |
