| Heiloo to Popovo | 1,175.77 mi (1,892.22 km) |
| Heiloo to Provadia | 1,229.35 mi (1,978.45 km) |
| Heiloo to Radnevo | 1,212.83 mi (1,951.87 km) |
| Heiloo to Radomir | 1,092.09 mi (1,757.54 km) |
| Heiloo to Rakitovo | 1,160.56 mi (1,867.74 km) |
| Heiloo to Rakovski | 1,177.62 mi (1,895.20 km) |
| Heiloo to Razgrad | 1,178.50 mi (1,896.60 km) |
| Heiloo to Razlog | 1,143.64 mi (1,840.52 km) |
| Heiloo to Ruse | 1,144.06 mi (1,841.19 km) |
| Heiloo to Samokov | 1,124.18 mi (1,809.19 km) |
| Heiloo to Sandanski | 1,153.17 mi (1,855.84 km) |
| Heiloo to Sevlievo | 1,148.21 mi (1,847.87 km) |
| Heiloo to Shumen | 1,205.62 mi (1,940.25 km) |
| Heiloo to Silistra | 1,182.21 mi (1,902.58 km) |
| Heiloo to Sliven | 1,209.92 mi (1,947.17 km) |
