| Alfeld to Devnya | 1,020.41 mi (1,642.19 km) |
| Alfeld to Dimitrovgrad | 1,007.73 mi (1,621.79 km) |
| Alfeld to Dobrich | 1,014.20 mi (1,632.19 km) |
| Alfeld to Dospat | 981.41 mi (1,579.42 km) |
| Alfeld to Dupnitsa | 914.68 mi (1,472.03 km) |
| Alfeld to Elhovo | 1,035.26 mi (1,666.10 km) |
| Alfeld to Etropole | 913.15 mi (1,469.58 km) |
| Alfeld to Gabrovo | 956.97 mi (1,540.09 km) |
| Alfeld to Gorna Oryahovitsa | 956.63 mi (1,539.55 km) |
| Alfeld to Gotse Delchev | 972.17 mi (1,564.56 km) |
| Alfeld to Harmanli | 1,024.01 mi (1,647.98 km) |
| Alfeld to Haskovo | 1,012.64 mi (1,629.69 km) |
| Alfeld to Ihtiman | 927.87 mi (1,493.26 km) |
| Alfeld to Isperih | 969.96 mi (1,561.00 km) |
| Alfeld to Kardzhali | 1,020.72 mi (1,642.69 km) |
