| Bottrop to Devnya | 1,117.93 mi (1,799.13 km) |
| Bottrop to Dimitrovgrad | 1,094.43 mi (1,761.31 km) |
| Bottrop to Dobrich | 1,113.83 mi (1,792.54 km) |
| Bottrop to Dospat | 1,061.15 mi (1,707.76 km) |
| Bottrop to Dupnitsa | 993.14 mi (1,598.30 km) |
| Bottrop to Elhovo | 1,125.55 mi (1,811.41 km) |
| Bottrop to Etropole | 997.86 mi (1,605.90 km) |
| Bottrop to Gabrovo | 1,046.46 mi (1,684.12 km) |
| Bottrop to Gorna Oryahovitsa | 1,048.52 mi (1,687.43 km) |
| Bottrop to Gotse Delchev | 1,049.83 mi (1,689.54 km) |
| Bottrop to Harmanli | 1,111.19 mi (1,788.28 km) |
| Bottrop to Haskovo | 1,098.71 mi (1,768.21 km) |
| Bottrop to Ihtiman | 1,009.95 mi (1,625.36 km) |
| Bottrop to Isperih | 1,067.70 mi (1,718.30 km) |
| Bottrop to Kardzhali | 1,104.87 mi (1,778.12 km) |
