| Runkel to Devnya | 1,039.30 mi (1,672.59 km) |
| Runkel to Dimitrovgrad | 1,010.19 mi (1,625.75 km) |
| Runkel to Dobrich | 1,036.56 mi (1,668.19 km) |
| Runkel to Dospat | 974.22 mi (1,567.85 km) |
| Runkel to Dupnitsa | 905.92 mi (1,457.94 km) |
| Runkel to Elhovo | 1,042.92 mi (1,678.41 km) |
| Runkel to Etropole | 913.04 mi (1,469.39 km) |
| Runkel to Gabrovo | 963.67 mi (1,550.87 km) |
| Runkel to Gorna Oryahovitsa | 966.92 mi (1,556.11 km) |
| Runkel to Gotse Delchev | 962.19 mi (1,548.50 km) |
| Runkel to Harmanli | 1,027.13 mi (1,653.00 km) |
| Runkel to Haskovo | 1,014.19 mi (1,632.19 km) |
| Runkel to Ihtiman | 924.02 mi (1,487.07 km) |
| Runkel to Isperih | 989.38 mi (1,592.25 km) |
| Runkel to Kardzhali | 1,019.52 mi (1,640.77 km) |
