| Frechen to Devnya | 1,106.65 mi (1,780.98 km) |
| Frechen to Dimitrovgrad | 1,078.52 mi (1,735.71 km) |
| Frechen to Dobrich | 1,103.58 mi (1,776.04 km) |
| Frechen to Dospat | 1,042.66 mi (1,677.99 km) |
| Frechen to Dupnitsa | 974.35 mi (1,568.07 km) |
| Frechen to Elhovo | 1,111.05 mi (1,788.06 km) |
| Frechen to Etropole | 981.40 mi (1,579.42 km) |
| Frechen to Gabrovo | 1,031.81 mi (1,660.54 km) |
| Frechen to Gorna Oryahovitsa | 1,034.87 mi (1,665.47 km) |
| Frechen to Gotse Delchev | 1,030.60 mi (1,658.59 km) |
| Frechen to Harmanli | 1,095.43 mi (1,762.93 km) |
| Frechen to Haskovo | 1,082.54 mi (1,742.18 km) |
| Frechen to Ihtiman | 992.45 mi (1,597.20 km) |
| Frechen to Isperih | 1,056.65 mi (1,700.51 km) |
| Frechen to Kardzhali | 1,087.93 mi (1,750.86 km) |
