| Southlake to Karlovo | 6,052.82 mi (9,741.07 km) |
| Southlake to Karnobat | 6,131.16 mi (9,867.15 km) |
| Southlake to Kavarna | 6,138.09 mi (9,878.30 km) |
| Southlake to Kazanlak | 6,075.53 mi (9,777.62 km) |
| Southlake to Knezha | 5,985.34 mi (9,632.48 km) |
| Southlake to Kostinbrod | 5,986.47 mi (9,634.30 km) |
| Southlake to Kozloduy | 5,959.16 mi (9,590.34 km) |
| Southlake to Kyustendil | 5,992.03 mi (9,643.24 km) |
| Southlake to Levski | 6,029.43 mi (9,703.42 km) |
| Southlake to Lom | 5,939.25 mi (9,558.30 km) |
| Southlake to Lovech | 6,025.78 mi (9,697.55 km) |
| Southlake to Lukovit | 6,002.77 mi (9,660.53 km) |
| Southlake to Lyaskovets | 6,063.23 mi (9,757.83 km) |
| Southlake to Mezdra | 5,988.25 mi (9,637.15 km) |
| Southlake to Momchilgrad | 6,129.03 mi (9,863.72 km) |
