| Knjazevac to Devnya | 258.58 mi (416.15 km) |
| Knjazevac to Dimitrovgrad | 189.27 mi (304.60 km) |
| Knjazevac to Dobrich | 270.48 mi (435.30 km) |
| Knjazevac to Dospat | 155.29 mi (249.91 km) |
| Knjazevac to Dupnitsa | 92.11 mi (148.24 km) |
| Knjazevac to Elhovo | 228.76 mi (368.16 km) |
| Knjazevac to Etropole | 91.41 mi (147.10 km) |
| Knjazevac to Gabrovo | 152.51 mi (245.43 km) |
| Knjazevac to Gorna Oryahovitsa | 166.15 mi (267.39 km) |
| Knjazevac to Gotse Delchev | 149.07 mi (239.91 km) |
| Knjazevac to Harmanli | 206.58 mi (332.46 km) |
| Knjazevac to Haskovo | 192.38 mi (309.61 km) |
| Knjazevac to Ihtiman | 101.39 mi (163.17 km) |
| Knjazevac to Isperih | 220.61 mi (355.03 km) |
| Knjazevac to Kardzhali | 196.48 mi (316.21 km) |
