| Sonoma to Karlovo | 6,479.44 mi (10,427.65 km) |
| Sonoma to Karnobat | 6,525.75 mi (10,502.18 km) |
| Sonoma to Kavarna | 6,501.64 mi (10,463.38 km) |
| Sonoma to Kazanlak | 6,493.84 mi (10,450.83 km) |
| Sonoma to Knezha | 6,410.31 mi (10,316.40 km) |
| Sonoma to Kostinbrod | 6,433.61 mi (10,353.89 km) |
| Sonoma to Kozloduy | 6,385.08 mi (10,275.79 km) |
| Sonoma to Kyustendil | 6,454.47 mi (10,387.47 km) |
| Sonoma to Levski | 6,441.15 mi (10,366.03 km) |
| Sonoma to Lom | 6,371.58 mi (10,254.06 km) |
| Sonoma to Lovech | 6,446.80 mi (10,375.12 km) |
| Sonoma to Lukovit | 6,430.81 mi (10,349.39 km) |
| Sonoma to Lyaskovets | 6,470.17 mi (10,412.73 km) |
| Sonoma to Mezdra | 6,423.69 mi (10,337.94 km) |
| Sonoma to Momchilgrad | 6,562.18 mi (10,560.80 km) |
