| Hillcrest Heights to Popovo | 5,007.36 mi (8,058.56 km) |
| Hillcrest Heights to Provadia | 5,062.18 mi (8,146.80 km) |
| Hillcrest Heights to Radnevo | 5,039.31 mi (8,109.98 km) |
| Hillcrest Heights to Radomir | 4,906.85 mi (7,896.80 km) |
| Hillcrest Heights to Rakitovo | 4,976.73 mi (8,009.28 km) |
| Hillcrest Heights to Rakovski | 5,000.37 mi (8,047.32 km) |
| Hillcrest Heights to Razgrad | 5,010.97 mi (8,064.37 km) |
| Hillcrest Heights to Razlog | 4,955.31 mi (7,974.80 km) |
| Hillcrest Heights to Ruse | 4,976.46 mi (8,008.84 km) |
| Hillcrest Heights to Samokov | 4,940.47 mi (7,950.92 km) |
| Hillcrest Heights to Sandanski | 4,960.50 mi (7,983.16 km) |
| Hillcrest Heights to Sevlievo | 4,975.83 mi (8,007.83 km) |
| Hillcrest Heights to Shumen | 5,038.07 mi (8,108.00 km) |
| Hillcrest Heights to Silistra | 5,015.77 mi (8,072.10 km) |
| Hillcrest Heights to Sliven | 5,039.36 mi (8,110.07 km) |
