| Herzberg am Harz to Popovo | 934.54 mi (1,504.00 km) |
| Herzberg am Harz to Provadia | 986.63 mi (1,587.82 km) |
| Herzberg am Harz to Radnevo | 975.26 mi (1,569.54 km) |
| Herzberg am Harz to Radomir | 862.29 mi (1,387.72 km) |
| Herzberg am Harz to Rakitovo | 929.21 mi (1,495.42 km) |
| Herzberg am Harz to Rakovski | 942.51 mi (1,516.83 km) |
| Herzberg am Harz to Razgrad | 936.32 mi (1,506.86 km) |
| Herzberg am Harz to Razlog | 914.82 mi (1,472.25 km) |
| Herzberg am Harz to Ruse | 902.05 mi (1,451.71 km) |
| Herzberg am Harz to Samokov | 893.17 mi (1,437.41 km) |
| Herzberg am Harz to Sandanski | 926.35 mi (1,490.81 km) |
| Herzberg am Harz to Sevlievo | 910.22 mi (1,464.86 km) |
| Herzberg am Harz to Shumen | 963.40 mi (1,550.45 km) |
| Herzberg am Harz to Silistra | 937.75 mi (1,509.16 km) |
| Herzberg am Harz to Sliven | 970.34 mi (1,561.62 km) |
