| Wadern to Karlovo | 978.74 mi (1,575.12 km) |
| Wadern to Karnobat | 1,070.60 mi (1,722.97 km) |
| Wadern to Kavarna | 1,099.69 mi (1,769.78 km) |
| Wadern to Kazanlak | 1,004.50 mi (1,616.59 km) |
| Wadern to Knezha | 915.30 mi (1,473.03 km) |
| Wadern to Kostinbrod | 906.24 mi (1,458.45 km) |
| Wadern to Kozloduy | 890.00 mi (1,432.32 km) |
| Wadern to Kyustendil | 907.21 mi (1,460.01 km) |
| Wadern to Levski | 964.59 mi (1,552.36 km) |
| Wadern to Lom | 867.58 mi (1,396.23 km) |
| Wadern to Lovech | 955.79 mi (1,538.20 km) |
| Wadern to Lukovit | 930.23 mi (1,497.06 km) |
| Wadern to Lyaskovets | 999.26 mi (1,608.15 km) |
| Wadern to Mezdra | 912.76 mi (1,468.94 km) |
| Wadern to Momchilgrad | 1,049.57 mi (1,689.12 km) |
