| Harsum to Popovo | 968.45 mi (1,558.56 km) |
| Harsum to Provadia | 1,019.71 mi (1,641.06 km) |
| Harsum to Radnevo | 1,010.59 mi (1,626.40 km) |
| Harsum to Radomir | 899.78 mi (1,448.05 km) |
| Harsum to Rakitovo | 966.30 mi (1,555.10 km) |
| Harsum to Rakovski | 978.64 mi (1,574.96 km) |
| Harsum to Razgrad | 969.75 mi (1,560.66 km) |
| Harsum to Razlog | 952.44 mi (1,532.81 km) |
| Harsum to Ruse | 935.60 mi (1,505.70 km) |
| Harsum to Samokov | 930.36 mi (1,497.27 km) |
| Harsum to Sandanski | 964.34 mi (1,551.95 km) |
| Harsum to Sevlievo | 945.47 mi (1,521.59 km) |
| Harsum to Shumen | 996.79 mi (1,604.17 km) |
| Harsum to Silistra | 969.73 mi (1,560.62 km) |
| Harsum to Sliven | 1,004.94 mi (1,617.30 km) |
