| Hullhorst to Popovo | 1,017.90 mi (1,638.15 km) |
| Hullhorst to Provadia | 1,069.93 mi (1,721.88 km) |
| Hullhorst to Radnevo | 1,058.48 mi (1,703.46 km) |
| Hullhorst to Radomir | 944.49 mi (1,520.01 km) |
| Hullhorst to Rakitovo | 1,011.69 mi (1,628.15 km) |
| Hullhorst to Rakovski | 1,025.49 mi (1,650.37 km) |
| Hullhorst to Razgrad | 1,019.65 mi (1,640.97 km) |
| Hullhorst to Razlog | 996.89 mi (1,604.34 km) |
| Hullhorst to Ruse | 985.39 mi (1,585.84 km) |
| Hullhorst to Samokov | 975.58 mi (1,570.04 km) |
| Hullhorst to Sandanski | 1,008.08 mi (1,622.35 km) |
| Hullhorst to Sevlievo | 993.46 mi (1,598.82 km) |
| Hullhorst to Shumen | 1,046.74 mi (1,684.56 km) |
| Hullhorst to Silistra | 1,020.84 mi (1,642.88 km) |
| Hullhorst to Sliven | 1,053.68 mi (1,695.73 km) |
