| Langenfeld to Devnya | 1,106.22 mi (1,780.28 km) |
| Langenfeld to Dimitrovgrad | 1,079.82 mi (1,737.81 km) |
| Langenfeld to Dobrich | 1,102.77 mi (1,774.73 km) |
| Langenfeld to Dospat | 1,044.96 mi (1,681.70 km) |
| Langenfeld to Dupnitsa | 976.76 mi (1,571.94 km) |
| Langenfeld to Elhovo | 1,111.82 mi (1,789.31 km) |
| Langenfeld to Etropole | 982.90 mi (1,581.82 km) |
| Langenfeld to Gabrovo | 1,032.63 mi (1,661.85 km) |
| Langenfeld to Gorna Oryahovitsa | 1,035.31 mi (1,666.17 km) |
| Langenfeld to Gotse Delchev | 1,033.19 mi (1,662.76 km) |
| Langenfeld to Harmanli | 1,096.68 mi (1,764.94 km) |
| Langenfeld to Haskovo | 1,083.95 mi (1,744.44 km) |
| Langenfeld to Ihtiman | 994.36 mi (1,600.26 km) |
| Langenfeld to Isperih | 1,056.12 mi (1,699.66 km) |
| Langenfeld to Kardzhali | 1,089.63 mi (1,753.60 km) |
