| Alsdorf to Devnya | 1,132.46 mi (1,822.52 km) |
| Alsdorf to Dimitrovgrad | 1,102.79 mi (1,774.77 km) |
| Alsdorf to Dobrich | 1,129.67 mi (1,818.03 km) |
| Alsdorf to Dospat | 1,065.90 mi (1,715.40 km) |
| Alsdorf to Dupnitsa | 997.50 mi (1,605.33 km) |
| Alsdorf to Elhovo | 1,135.82 mi (1,827.93 km) |
| Alsdorf to Etropole | 1,005.51 mi (1,618.21 km) |
| Alsdorf to Gabrovo | 1,056.56 mi (1,700.37 km) |
| Alsdorf to Gorna Oryahovitsa | 1,059.96 mi (1,705.85 km) |
| Alsdorf to Gotse Delchev | 1,053.53 mi (1,695.50 km) |
| Alsdorf to Harmanli | 1,119.76 mi (1,802.08 km) |
| Alsdorf to Haskovo | 1,106.72 mi (1,781.09 km) |
| Alsdorf to Ihtiman | 1,016.14 mi (1,635.32 km) |
| Alsdorf to Isperih | 1,082.53 mi (1,742.16 km) |
| Alsdorf to Kardzhali | 1,111.80 mi (1,789.28 km) |
