| Runkel to Popovo | 979.46 mi (1,576.29 km) |
| Runkel to Provadia | 1,035.16 mi (1,665.93 km) |
| Runkel to Radnevo | 1,012.06 mi (1,628.76 km) |
| Runkel to Radomir | 886.18 mi (1,426.17 km) |
| Runkel to Rakitovo | 955.28 mi (1,537.37 km) |
| Runkel to Rakovski | 974.84 mi (1,568.85 km) |
| Runkel to Razgrad | 983.62 mi (1,582.98 km) |
| Runkel to Razlog | 937.06 mi (1,508.06 km) |
| Runkel to Ruse | 949.09 mi (1,527.42 km) |
| Runkel to Samokov | 918.83 mi (1,478.72 km) |
| Runkel to Sandanski | 945.64 mi (1,521.86 km) |
| Runkel to Sevlievo | 948.12 mi (1,525.86 km) |
| Runkel to Shumen | 1,010.67 mi (1,626.52 km) |
| Runkel to Silistra | 991.81 mi (1,596.17 km) |
| Runkel to Sliven | 1,011.30 mi (1,627.52 km) |
