| Bad Schwalbach to Karlovo | 947.64 mi (1,525.09 km) |
| Bad Schwalbach to Karnobat | 1,035.65 mi (1,666.71 km) |
| Bad Schwalbach to Kavarna | 1,060.19 mi (1,706.21 km) |
| Bad Schwalbach to Kazanlak | 972.37 mi (1,564.88 km) |
| Bad Schwalbach to Knezha | 882.48 mi (1,420.21 km) |
| Bad Schwalbach to Kostinbrod | 877.82 mi (1,412.72 km) |
| Bad Schwalbach to Kozloduy | 856.76 mi (1,378.82 km) |
| Bad Schwalbach to Kyustendil | 882.04 mi (1,419.50 km) |
| Bad Schwalbach to Levski | 930.31 mi (1,497.19 km) |
| Bad Schwalbach to Lom | 835.15 mi (1,344.05 km) |
| Bad Schwalbach to Lovech | 923.12 mi (1,485.61 km) |
| Bad Schwalbach to Lukovit | 898.38 mi (1,445.80 km) |
| Bad Schwalbach to Lyaskovets | 964.89 mi (1,552.85 km) |
| Bad Schwalbach to Mezdra | 882.03 mi (1,419.50 km) |
| Bad Schwalbach to Momchilgrad | 1,021.02 mi (1,643.17 km) |
