| Cities | Distance |
|---|---|
| Duzce to Devnya | 246.75 mi (397.10 km) |
| Duzce to Dimitrovgrad | 299.67 mi (482.27 km) |
| Duzce to Dobrich | 253.75 mi (408.36 km) |
| Duzce to Dospat | 367.38 mi (591.24 km) |
| Duzce to Dupnitsa | 426.99 mi (687.18 km) |
| Duzce to Elhovo | 254.57 mi (409.70 km) |
| Duzce to Etropole | 393.19 mi (632.77 km) |
| Duzce to Gabrovo | 330.72 mi (532.24 km) |
| Duzce to Gorna Oryahovitsa | 321.85 mi (517.96 km) |
| Duzce to Gotse Delchev | 389.09 mi (626.18 km) |
| Duzce to Harmanli | 282.77 mi (455.07 km) |
| Duzce to Haskovo | 299.44 mi (481.91 km) |
| Duzce to Ihtiman | 394.66 mi (635.15 km) |
| Duzce to Isperih | 297.15 mi (478.21 km) |
| Duzce to Kardzhali | 305.95 mi (492.38 km) |