| Geilenkirchen to Devnya | 1,136.30 mi (1,828.70 km) |
| Geilenkirchen to Dimitrovgrad | 1,107.14 mi (1,781.76 km) |
| Geilenkirchen to Dobrich | 1,133.40 mi (1,824.04 km) |
| Geilenkirchen to Dospat | 1,070.51 mi (1,722.82 km) |
| Geilenkirchen to Dupnitsa | 1,002.13 mi (1,612.77 km) |
| Geilenkirchen to Elhovo | 1,140.02 mi (1,834.69 km) |
| Geilenkirchen to Etropole | 1,009.90 mi (1,625.27 km) |
| Geilenkirchen to Gabrovo | 1,060.77 mi (1,707.14 km) |
| Geilenkirchen to Gorna Oryahovitsa | 1,064.06 mi (1,712.44 km) |
| Geilenkirchen to Gotse Delchev | 1,058.21 mi (1,703.03 km) |
| Geilenkirchen to Harmanli | 1,124.09 mi (1,809.05 km) |
| Geilenkirchen to Haskovo | 1,111.09 mi (1,788.12 km) |
| Geilenkirchen to Ihtiman | 1,020.64 mi (1,642.56 km) |
| Geilenkirchen to Isperih | 1,086.34 mi (1,748.30 km) |
| Geilenkirchen to Kardzhali | 1,116.26 mi (1,796.44 km) |
