| Friedland to Karlovo | 923.23 mi (1,485.80 km) |
| Friedland to Karnobat | 1,002.49 mi (1,613.36 km) |
| Friedland to Kavarna | 1,017.42 mi (1,637.39 km) |
| Friedland to Kazanlak | 945.59 mi (1,521.79 km) |
| Friedland to Knezha | 855.44 mi (1,376.70 km) |
| Friedland to Kostinbrod | 859.61 mi (1,383.42 km) |
| Friedland to Kozloduy | 829.24 mi (1,334.53 km) |
| Friedland to Kyustendil | 870.07 mi (1,400.25 km) |
| Friedland to Levski | 899.70 mi (1,447.93 km) |
| Friedland to Lom | 809.60 mi (1,302.93 km) |
| Friedland to Lovech | 895.84 mi (1,441.71 km) |
| Friedland to Lukovit | 873.08 mi (1,405.08 km) |
| Friedland to Lyaskovets | 933.69 mi (1,502.63 km) |
| Friedland to Mezdra | 859.21 mi (1,382.77 km) |
| Friedland to Momchilgrad | 1,000.77 mi (1,610.58 km) |
