| Borne to Popovo | 1,089.59 mi (1,753.53 km) |
| Borne to Provadia | 1,142.71 mi (1,839.02 km) |
| Borne to Radnevo | 1,127.81 mi (1,815.04 km) |
| Borne to Radomir | 1,009.41 mi (1,624.48 km) |
| Borne to Rakitovo | 1,077.46 mi (1,734.00 km) |
| Borne to Rakovski | 1,093.35 mi (1,759.58 km) |
| Borne to Razgrad | 1,092.02 mi (1,757.43 km) |
| Borne to Razlog | 1,061.31 mi (1,708.02 km) |
| Borne to Ruse | 1,057.63 mi (1,702.09 km) |
| Borne to Samokov | 1,041.15 mi (1,675.57 km) |
| Borne to Sandanski | 1,071.47 mi (1,724.37 km) |
| Borne to Sevlievo | 1,063.03 mi (1,710.78 km) |
| Borne to Shumen | 1,119.13 mi (1,801.07 km) |
| Borne to Silistra | 1,095.01 mi (1,762.25 km) |
| Borne to Sliven | 1,124.27 mi (1,809.33 km) |
