| Sonseca to Karlovo | 1,502.04 mi (2,417.29 km) |
| Sonseca to Karnobat | 1,612.55 mi (2,595.15 km) |
| Sonseca to Kavarna | 1,677.94 mi (2,700.39 km) |
| Sonseca to Kazanlak | 1,532.22 mi (2,465.87 km) |
| Sonseca to Knezha | 1,464.80 mi (2,357.37 km) |
| Sonseca to Kostinbrod | 1,421.07 mi (2,286.99 km) |
| Sonseca to Kozloduy | 1,447.70 mi (2,329.84 km) |
| Sonseca to Kyustendil | 1,394.62 mi (2,244.43 km) |
| Sonseca to Levski | 1,517.46 mi (2,442.12 km) |
| Sonseca to Lom | 1,423.08 mi (2,290.23 km) |
| Sonseca to Lovech | 1,496.68 mi (2,408.67 km) |
| Sonseca to Lukovit | 1,468.90 mi (2,363.97 km) |
| Sonseca to Lyaskovets | 1,547.12 mi (2,489.86 km) |
| Sonseca to Mezdra | 1,445.39 mi (2,326.13 km) |
| Sonseca to Momchilgrad | 1,537.98 mi (2,475.14 km) |
