| Duren to Popovo | 1,057.64 mi (1,702.11 km) |
| Duren to Provadia | 1,113.37 mi (1,791.80 km) |
| Duren to Radnevo | 1,089.92 mi (1,754.06 km) |
| Duren to Radomir | 963.07 mi (1,549.90 km) |
| Duren to Rakitovo | 1,032.32 mi (1,661.36 km) |
| Duren to Rakovski | 1,052.42 mi (1,693.71 km) |
| Duren to Razgrad | 1,061.83 mi (1,708.84 km) |
| Duren to Razlog | 1,013.70 mi (1,631.40 km) |
| Duren to Ruse | 1,027.30 mi (1,653.29 km) |
| Duren to Samokov | 995.87 mi (1,602.70 km) |
| Duren to Sandanski | 1,021.90 mi (1,644.59 km) |
| Duren to Sevlievo | 1,026.07 mi (1,651.30 km) |
| Duren to Shumen | 1,088.88 mi (1,752.38 km) |
| Duren to Silistra | 1,069.96 mi (1,721.94 km) |
| Duren to Sliven | 1,089.35 mi (1,753.14 km) |
