| Ahlen to Devnya | 1,086.68 mi (1,748.84 km) |
| Ahlen to Dimitrovgrad | 1,067.14 mi (1,717.40 km) |
| Ahlen to Dobrich | 1,081.79 mi (1,740.98 km) |
| Ahlen to Dospat | 1,036.35 mi (1,667.84 km) |
| Ahlen to Dupnitsa | 968.71 mi (1,558.99 km) |
| Ahlen to Elhovo | 1,096.98 mi (1,765.42 km) |
| Ahlen to Etropole | 971.19 mi (1,562.98 km) |
| Ahlen to Gabrovo | 1,018.11 mi (1,638.49 km) |
| Ahlen to Gorna Oryahovitsa | 1,019.29 mi (1,640.39 km) |
| Ahlen to Gotse Delchev | 1,025.76 mi (1,650.80 km) |
| Ahlen to Harmanli | 1,083.74 mi (1,744.11 km) |
| Ahlen to Haskovo | 1,071.66 mi (1,724.66 km) |
| Ahlen to Ihtiman | 984.24 mi (1,583.98 km) |
| Ahlen to Isperih | 1,036.33 mi (1,667.82 km) |
| Ahlen to Kardzhali | 1,078.52 mi (1,735.71 km) |
