| Kerpen to Devnya | 1,110.49 mi (1,787.17 km) |
| Kerpen to Dimitrovgrad | 1,081.78 mi (1,740.96 km) |
| Kerpen to Dobrich | 1,107.54 mi (1,782.41 km) |
| Kerpen to Dospat | 1,045.57 mi (1,682.68 km) |
| Kerpen to Dupnitsa | 977.23 mi (1,572.70 km) |
| Kerpen to Elhovo | 1,114.50 mi (1,793.61 km) |
| Kerpen to Etropole | 984.61 mi (1,584.57 km) |
| Kerpen to Gabrovo | 1,035.25 mi (1,666.07 km) |
| Kerpen to Gorna Oryahovitsa | 1,038.44 mi (1,671.20 km) |
| Kerpen to Gotse Delchev | 1,033.41 mi (1,663.12 km) |
| Kerpen to Harmanli | 1,098.72 mi (1,768.22 km) |
| Kerpen to Haskovo | 1,085.77 mi (1,747.38 km) |
| Kerpen to Ihtiman | 995.52 mi (1,602.13 km) |
| Kerpen to Isperih | 1,060.52 mi (1,706.74 km) |
| Kerpen to Kardzhali | 1,091.06 mi (1,755.89 km) |
