| Lauffen am Neckar to Devnya | 966.97 mi (1,556.19 km) |
| Lauffen am Neckar to Dimitrovgrad | 929.40 mi (1,495.73 km) |
| Lauffen am Neckar to Dobrich | 966.25 mi (1,555.02 km) |
| Lauffen am Neckar to Dospat | 889.14 mi (1,430.92 km) |
| Lauffen am Neckar to Dupnitsa | 820.57 mi (1,320.58 km) |
| Lauffen am Neckar to Elhovo | 964.52 mi (1,552.24 km) |
| Lauffen am Neckar to Etropole | 831.66 mi (1,338.42 km) |
| Lauffen am Neckar to Gabrovo | 885.32 mi (1,424.78 km) |
| Lauffen am Neckar to Gorna Oryahovitsa | 890.42 mi (1,432.99 km) |
| Lauffen am Neckar to Gotse Delchev | 875.95 mi (1,409.71 km) |
| Lauffen am Neckar to Harmanli | 946.55 mi (1,523.33 km) |
| Lauffen am Neckar to Haskovo | 932.93 mi (1,501.41 km) |
| Lauffen am Neckar to Ihtiman | 840.79 mi (1,353.12 km) |
| Lauffen am Neckar to Isperih | 917.73 mi (1,476.94 km) |
| Lauffen am Neckar to Kardzhali | 936.92 mi (1,507.83 km) |
