| Montabaur to Devnya | 1,053.63 mi (1,695.66 km) |
| Montabaur to Dimitrovgrad | 1,024.05 mi (1,648.04 km) |
| Montabaur to Dobrich | 1,050.98 mi (1,691.38 km) |
| Montabaur to Dospat | 987.70 mi (1,589.54 km) |
| Montabaur to Dupnitsa | 919.36 mi (1,479.56 km) |
| Montabaur to Elhovo | 1,056.94 mi (1,700.98 km) |
| Montabaur to Etropole | 926.83 mi (1,491.58 km) |
| Montabaur to Gabrovo | 977.68 mi (1,573.42 km) |
| Montabaur to Gorna Oryahovitsa | 981.04 mi (1,578.84 km) |
| Montabaur to Gotse Delchev | 975.55 mi (1,569.99 km) |
| Montabaur to Harmanli | 1,041.00 mi (1,675.32 km) |
| Montabaur to Haskovo | 1,028.01 mi (1,654.42 km) |
| Montabaur to Ihtiman | 937.67 mi (1,509.03 km) |
| Montabaur to Isperih | 1,003.74 mi (1,615.36 km) |
| Montabaur to Kardzhali | 1,033.23 mi (1,662.83 km) |
