| Gelsenkirchen to Devnya | 1,110.69 mi (1,787.49 km) |
| Gelsenkirchen to Dimitrovgrad | 1,087.53 mi (1,750.21 km) |
| Gelsenkirchen to Dobrich | 1,106.54 mi (1,780.81 km) |
| Gelsenkirchen to Dospat | 1,054.49 mi (1,697.04 km) |
| Gelsenkirchen to Dupnitsa | 986.51 mi (1,587.63 km) |
| Gelsenkirchen to Elhovo | 1,118.54 mi (1,800.12 km) |
| Gelsenkirchen to Etropole | 991.01 mi (1,594.88 km) |
| Gelsenkirchen to Gabrovo | 1,039.47 mi (1,672.86 km) |
| Gelsenkirchen to Gorna Oryahovitsa | 1,041.45 mi (1,676.05 km) |
| Gelsenkirchen to Gotse Delchev | 1,043.24 mi (1,678.93 km) |
| Gelsenkirchen to Harmanli | 1,104.27 mi (1,777.16 km) |
| Gelsenkirchen to Haskovo | 1,091.84 mi (1,757.14 km) |
| Gelsenkirchen to Ihtiman | 1,003.19 mi (1,614.48 km) |
| Gelsenkirchen to Isperih | 1,060.46 mi (1,706.64 km) |
| Gelsenkirchen to Kardzhali | 1,098.06 mi (1,767.16 km) |
