| Sankt Augustin to Devnya | 1,087.97 mi (1,750.92 km) |
| Sankt Augustin to Dimitrovgrad | 1,059.52 mi (1,705.13 km) |
| Sankt Augustin to Dobrich | 1,085.00 mi (1,746.14 km) |
| Sankt Augustin to Dospat | 1,023.60 mi (1,647.32 km) |
| Sankt Augustin to Dupnitsa | 955.29 mi (1,537.39 km) |
| Sankt Augustin to Elhovo | 1,092.12 mi (1,757.60 km) |
| Sankt Augustin to Etropole | 962.39 mi (1,548.82 km) |
| Sankt Augustin to Gabrovo | 1,012.88 mi (1,630.07 km) |
| Sankt Augustin to Gorna Oryahovitsa | 1,016.00 mi (1,635.10 km) |
| Sankt Augustin to Gotse Delchev | 1,011.54 mi (1,627.92 km) |
| Sankt Augustin to Harmanli | 1,076.44 mi (1,732.37 km) |
| Sankt Augustin to Haskovo | 1,063.54 mi (1,711.60 km) |
| Sankt Augustin to Ihtiman | 973.41 mi (1,566.55 km) |
| Sankt Augustin to Isperih | 1,037.99 mi (1,670.48 km) |
| Sankt Augustin to Kardzhali | 1,068.90 mi (1,720.23 km) |
