| Hillcrest Heights to Karlovo | 4,979.20 mi (8,013.25 km) |
| Hillcrest Heights to Karnobat | 5,067.60 mi (8,155.52 km) |
| Hillcrest Heights to Kavarna | 5,087.04 mi (8,186.79 km) |
| Hillcrest Heights to Kazanlak | 5,004.42 mi (8,053.84 km) |
| Hillcrest Heights to Knezha | 4,914.67 mi (7,909.40 km) |
| Hillcrest Heights to Kostinbrod | 4,907.05 mi (7,897.14 km) |
| Hillcrest Heights to Kozloduy | 4,889.01 mi (7,868.11 km) |
| Hillcrest Heights to Kyustendil | 4,906.56 mi (7,896.35 km) |
| Hillcrest Heights to Levski | 4,962.54 mi (7,986.43 km) |
| Hillcrest Heights to Lom | 4,867.23 mi (7,833.05 km) |
| Hillcrest Heights to Lovech | 4,955.30 mi (7,974.78 km) |
| Hillcrest Heights to Lukovit | 4,930.29 mi (7,934.54 km) |
| Hillcrest Heights to Lyaskovets | 4,997.09 mi (8,042.04 km) |
| Hillcrest Heights to Mezdra | 4,913.33 mi (7,907.24 km) |
| Hillcrest Heights to Momchilgrad | 5,050.35 mi (8,127.76 km) |
