| Feldkirchen to Karnobat | 692.46 mi (1,114.40 km) |
| Feldkirchen to Kavarna | 729.86 mi (1,174.59 km) |
| Feldkirchen to Kazanlak | 623.09 mi (1,002.77 km) |
| Feldkirchen to Knezha | 535.17 mi (861.27 km) |
| Feldkirchen to Kostinbrod | 522.19 mi (840.39 km) |
| Feldkirchen to Kozloduy | 510.62 mi (821.76 km) |
| Feldkirchen to Kyustendil | 522.35 mi (840.64 km) |
| Feldkirchen to Levski | 586.13 mi (943.29 km) |
| Feldkirchen to Lom | 487.28 mi (784.21 km) |
| Feldkirchen to Lovech | 575.23 mi (925.75 km) |
| Feldkirchen to Lukovit | 548.87 mi (883.32 km) |
| Feldkirchen to Lyaskovets | 620.69 mi (998.90 km) |
| Feldkirchen to Mezdra | 530.34 mi (853.50 km) |
| Feldkirchen to Momchilgrad | 665.37 mi (1,070.81 km) |
| Feldkirchen to Montana | 500.57 mi (805.58 km) |
