| Hilden to Devnya | 1,108.03 mi (1,783.21 km) |
| Hilden to Dimitrovgrad | 1,082.02 mi (1,741.34 km) |
| Hilden to Dobrich | 1,104.50 mi (1,777.52 km) |
| Hilden to Dospat | 1,047.36 mi (1,685.56 km) |
| Hilden to Dupnitsa | 979.18 mi (1,575.83 km) |
| Hilden to Elhovo | 1,113.90 mi (1,792.65 km) |
| Hilden to Etropole | 985.14 mi (1,585.42 km) |
| Hilden to Gabrovo | 1,034.72 mi (1,665.22 km) |
| Hilden to Gorna Oryahovitsa | 1,037.32 mi (1,669.41 km) |
| Hilden to Gotse Delchev | 1,035.65 mi (1,666.71 km) |
| Hilden to Harmanli | 1,098.86 mi (1,768.45 km) |
| Hilden to Haskovo | 1,086.16 mi (1,748.01 km) |
| Hilden to Ihtiman | 996.68 mi (1,603.99 km) |
| Hilden to Isperih | 1,057.92 mi (1,702.56 km) |
| Hilden to Kardzhali | 1,091.91 mi (1,757.26 km) |
