| Houma to Karlovo | 5,985.20 mi (9,632.24 km) |
| Houma to Karnobat | 6,071.75 mi (9,771.53 km) |
| Houma to Kavarna | 6,088.40 mi (9,798.34 km) |
| Houma to Kazanlak | 6,009.98 mi (9,672.13 km) |
| Houma to Knezha | 5,920.02 mi (9,527.34 km) |
| Houma to Kostinbrod | 5,913.98 mi (9,517.63 km) |
| Houma to Kozloduy | 5,894.21 mi (9,485.82 km) |
| Houma to Kyustendil | 5,914.45 mi (9,518.39 km) |
| Houma to Levski | 5,967.20 mi (9,603.28 km) |
| Houma to Lom | 5,872.76 mi (9,451.30 km) |
| Houma to Lovech | 5,960.66 mi (9,592.76 km) |
| Houma to Lukovit | 5,936.00 mi (9,553.07 km) |
| Houma to Lyaskovets | 6,001.65 mi (9,658.73 km) |
| Houma to Mezdra | 5,919.47 mi (9,526.47 km) |
| Houma to Momchilgrad | 6,057.33 mi (9,748.33 km) |
