| Karlsdorf-Neuthard to Devnya | 994.22 mi (1,600.04 km) |
| Karlsdorf-Neuthard to Dimitrovgrad | 955.82 mi (1,538.24 km) |
| Karlsdorf-Neuthard to Dobrich | 993.62 mi (1,599.08 km) |
| Karlsdorf-Neuthard to Dospat | 914.88 mi (1,472.35 km) |
| Karlsdorf-Neuthard to Dupnitsa | 846.29 mi (1,361.97 km) |
| Karlsdorf-Neuthard to Elhovo | 991.22 mi (1,595.22 km) |
| Karlsdorf-Neuthard to Etropole | 858.03 mi (1,380.86 km) |
| Karlsdorf-Neuthard to Gabrovo | 912.05 mi (1,467.80 km) |
| Karlsdorf-Neuthard to Gorna Oryahovitsa | 917.34 mi (1,476.32 km) |
| Karlsdorf-Neuthard to Gotse Delchev | 901.47 mi (1,450.78 km) |
| Karlsdorf-Neuthard to Harmanli | 972.99 mi (1,565.88 km) |
| Karlsdorf-Neuthard to Haskovo | 959.28 mi (1,543.82 km) |
| Karlsdorf-Neuthard to Ihtiman | 866.88 mi (1,395.10 km) |
| Karlsdorf-Neuthard to Isperih | 945.03 mi (1,520.88 km) |
| Karlsdorf-Neuthard to Kardzhali | 963.07 mi (1,549.91 km) |
