| Martha Lake to Karlovo | 5,869.45 mi (9,445.97 km) |
| Martha Lake to Karnobat | 5,909.44 mi (9,510.33 km) |
| Martha Lake to Kavarna | 5,880.45 mi (9,463.67 km) |
| Martha Lake to Kazanlak | 5,882.14 mi (9,466.39 km) |
| Martha Lake to Knezha | 5,800.96 mi (9,335.74 km) |
| Martha Lake to Kostinbrod | 5,828.13 mi (9,379.47 km) |
| Martha Lake to Kozloduy | 5,776.24 mi (9,295.95 km) |
| Martha Lake to Kyustendil | 5,851.69 mi (9,417.39 km) |
| Martha Lake to Levski | 5,828.95 mi (9,380.80 km) |
| Martha Lake to Lom | 5,764.13 mi (9,276.47 km) |
| Martha Lake to Lovech | 5,836.22 mi (9,392.48 km) |
| Martha Lake to Lukovit | 5,821.75 mi (9,369.20 km) |
| Martha Lake to Lyaskovets | 5,856.73 mi (9,425.50 km) |
| Martha Lake to Mezdra | 5,816.12 mi (9,360.14 km) |
| Martha Lake to Momchilgrad | 5,952.28 mi (9,579.26 km) |
