| Heerenveen to Popovo | 1,140.55 mi (1,835.53 km) |
| Heerenveen to Provadia | 1,192.97 mi (1,919.90 km) |
| Heerenveen to Radnevo | 1,180.06 mi (1,899.13 km) |
| Heerenveen to Radomir | 1,063.39 mi (1,711.36 km) |
| Heerenveen to Rakitovo | 1,131.17 mi (1,820.44 km) |
| Heerenveen to Rakovski | 1,146.26 mi (1,844.73 km) |
| Heerenveen to Razgrad | 1,142.55 mi (1,838.76 km) |
| Heerenveen to Razlog | 1,115.46 mi (1,795.17 km) |
| Heerenveen to Ruse | 1,108.24 mi (1,783.54 km) |
| Heerenveen to Samokov | 1,094.92 mi (1,762.11 km) |
| Heerenveen to Sandanski | 1,125.93 mi (1,812.01 km) |
| Heerenveen to Sevlievo | 1,115.15 mi (1,794.66 km) |
| Heerenveen to Shumen | 1,169.65 mi (1,882.36 km) |
| Heerenveen to Silistra | 1,144.23 mi (1,841.46 km) |
| Heerenveen to Sliven | 1,175.87 mi (1,892.37 km) |
