| Vacaville to Karlovo | 6,464.39 mi (10,403.44 km) |
| Vacaville to Karnobat | 6,511.28 mi (10,478.90 km) |
| Vacaville to Kavarna | 6,487.66 mi (10,440.89 km) |
| Vacaville to Kazanlak | 6,478.95 mi (10,426.86 km) |
| Vacaville to Knezha | 6,395.23 mi (10,292.12 km) |
| Vacaville to Kostinbrod | 6,418.18 mi (10,329.06 km) |
| Vacaville to Kozloduy | 6,369.95 mi (10,251.44 km) |
| Vacaville to Kyustendil | 6,438.81 mi (10,362.27 km) |
| Vacaville to Levski | 6,426.31 mi (10,342.15 km) |
| Vacaville to Lom | 6,356.33 mi (10,229.52 km) |
| Vacaville to Lovech | 6,431.81 mi (10,351.00 km) |
| Vacaville to Lukovit | 6,415.70 mi (10,325.06 km) |
| Vacaville to Lyaskovets | 6,455.44 mi (10,389.02 km) |
| Vacaville to Mezdra | 6,408.45 mi (10,313.40 km) |
| Vacaville to Momchilgrad | 6,547.11 mi (10,536.55 km) |
