| Diyadin to Devnya | 871.41 mi (1,402.40 km) |
| Diyadin to Dimitrovgrad | 959.44 mi (1,544.08 km) |
| Diyadin to Dobrich | 863.54 mi (1,389.73 km) |
| Diyadin to Dospat | 1,031.67 mi (1,660.31 km) |
| Diyadin to Dupnitsa | 1,087.24 mi (1,749.74 km) |
| Diyadin to Elhovo | 910.80 mi (1,465.79 km) |
| Diyadin to Etropole | 1,045.57 mi (1,682.67 km) |
| Diyadin to Gabrovo | 978.75 mi (1,575.14 km) |
| Diyadin to Gorna Oryahovitsa | 962.99 mi (1,549.79 km) |
| Diyadin to Gotse Delchev | 1,053.92 mi (1,696.12 km) |
| Diyadin to Harmanli | 943.48 mi (1,518.39 km) |
| Diyadin to Haskovo | 960.57 mi (1,545.89 km) |
| Diyadin to Ihtiman | 1,052.44 mi (1,693.73 km) |
| Diyadin to Isperih | 914.59 mi (1,471.89 km) |
| Diyadin to Kardzhali | 969.76 mi (1,560.67 km) |
