| Hoorn to Devnya | 1,220.86 mi (1,964.79 km) |
| Hoorn to Dimitrovgrad | 1,201.24 mi (1,933.21 km) |
| Hoorn to Dobrich | 1,215.77 mi (1,956.60 km) |
| Hoorn to Dospat | 1,169.61 mi (1,882.31 km) |
| Hoorn to Dupnitsa | 1,101.79 mi (1,773.16 km) |
| Hoorn to Elhovo | 1,231.29 mi (1,981.57 km) |
| Hoorn to Etropole | 1,105.12 mi (1,778.52 km) |
| Hoorn to Gabrovo | 1,152.39 mi (1,854.59 km) |
| Hoorn to Gorna Oryahovitsa | 1,153.64 mi (1,856.61 km) |
| Hoorn to Gotse Delchev | 1,158.68 mi (1,864.72 km) |
| Hoorn to Harmanli | 1,217.87 mi (1,959.98 km) |
| Hoorn to Haskovo | 1,205.70 mi (1,940.39 km) |
| Hoorn to Ihtiman | 1,117.86 mi (1,799.02 km) |
| Hoorn to Isperih | 1,170.49 mi (1,883.73 km) |
| Hoorn to Kardzhali | 1,212.37 mi (1,951.12 km) |
