| Ludza to Karlovo | 969.41 mi (1,560.12 km) |
| Ludza to Karnobat | 962.10 mi (1,548.35 km) |
| Ludza to Kavarna | 906.68 mi (1,459.16 km) |
| Ludza to Kazanlak | 968.13 mi (1,558.06 km) |
| Ludza to Knezha | 915.65 mi (1,473.60 km) |
| Ludza to Kostinbrod | 969.44 mi (1,560.17 km) |
| Ludza to Kozloduy | 899.15 mi (1,447.05 km) |
| Ludza to Kyustendil | 1,010.69 mi (1,626.54 km) |
| Ludza to Levski | 917.92 mi (1,477.25 km) |
| Ludza to Lom | 900.74 mi (1,449.60 km) |
| Ludza to Lovech | 936.26 mi (1,506.77 km) |
| Ludza to Lukovit | 935.52 mi (1,505.58 km) |
| Ludza to Lyaskovets | 933.47 mi (1,502.27 km) |
| Ludza to Mezdra | 942.58 mi (1,516.93 km) |
| Ludza to Momchilgrad | 1,042.62 mi (1,677.93 km) |
