| Frankenthal to Devnya | 1,010.86 mi (1,626.83 km) |
| Frankenthal to Dimitrovgrad | 975.29 mi (1,569.58 km) |
| Frankenthal to Dobrich | 1,009.61 mi (1,624.80 km) |
| Frankenthal to Dospat | 935.83 mi (1,506.07 km) |
| Frankenthal to Dupnitsa | 867.29 mi (1,395.77 km) |
| Frankenthal to Elhovo | 1,009.90 mi (1,625.27 km) |
| Frankenthal to Etropole | 877.63 mi (1,412.41 km) |
| Frankenthal to Gabrovo | 930.65 mi (1,497.74 km) |
| Frankenthal to Gorna Oryahovitsa | 935.32 mi (1,505.26 km) |
| Frankenthal to Gotse Delchev | 922.83 mi (1,485.16 km) |
| Frankenthal to Harmanli | 992.40 mi (1,597.11 km) |
| Frankenthal to Haskovo | 978.92 mi (1,575.42 km) |
| Frankenthal to Ihtiman | 887.14 mi (1,427.71 km) |
| Frankenthal to Isperih | 961.42 mi (1,547.25 km) |
| Frankenthal to Kardzhali | 983.18 mi (1,582.27 km) |
