| Seaside to Karlovo | 6,570.81 mi (10,574.69 km) |
| Seaside to Karnobat | 6,619.08 mi (10,652.38 km) |
| Seaside to Kavarna | 6,596.58 mi (10,616.17 km) |
| Seaside to Kazanlak | 6,585.73 mi (10,598.71 km) |
| Seaside to Knezha | 6,501.54 mi (10,463.22 km) |
| Seaside to Kostinbrod | 6,523.63 mi (10,498.77 km) |
| Seaside to Kozloduy | 6,476.17 mi (10,422.38 km) |
| Seaside to Kyustendil | 6,543.66 mi (10,531.00 km) |
| Seaside to Levski | 6,533.24 mi (10,514.23 km) |
| Seaside to Lom | 6,462.25 mi (10,399.99 km) |
| Seaside to Lovech | 6,538.38 mi (10,522.50 km) |
| Seaside to Lukovit | 6,521.94 mi (10,496.04 km) |
| Seaside to Lyaskovets | 6,562.62 mi (10,561.52 km) |
| Seaside to Mezdra | 6,514.36 mi (10,483.86 km) |
| Seaside to Momchilgrad | 6,653.45 mi (10,707.69 km) |
