| Altenstadt to Devnya | 1,003.86 mi (1,615.55 km) |
| Altenstadt to Dimitrovgrad | 975.67 mi (1,570.19 km) |
| Altenstadt to Dobrich | 1,001.00 mi (1,610.95 km) |
| Altenstadt to Dospat | 940.47 mi (1,513.55 km) |
| Altenstadt to Dupnitsa | 872.27 mi (1,403.78 km) |
| Altenstadt to Elhovo | 1,008.05 mi (1,622.31 km) |
| Altenstadt to Etropole | 878.64 mi (1,414.03 km) |
| Altenstadt to Gabrovo | 928.82 mi (1,494.80 km) |
| Altenstadt to Gorna Oryahovitsa | 931.86 mi (1,499.69 km) |
| Altenstadt to Gotse Delchev | 928.71 mi (1,494.61 km) |
| Altenstadt to Harmanli | 992.56 mi (1,597.37 km) |
| Altenstadt to Haskovo | 979.74 mi (1,576.73 km) |
| Altenstadt to Ihtiman | 889.94 mi (1,432.22 km) |
| Altenstadt to Isperih | 953.90 mi (1,535.16 km) |
| Altenstadt to Kardzhali | 985.29 mi (1,585.67 km) |
