| Zonguldak to Devnya | 247.96 mi (399.06 km) |
| Zonguldak to Dimitrovgrad | 322.06 mi (518.30 km) |
| Zonguldak to Dobrich | 249.05 mi (400.80 km) |
| Zonguldak to Dospat | 394.71 mi (635.22 km) |
| Zonguldak to Dupnitsa | 449.94 mi (724.12 km) |
| Zonguldak to Elhovo | 273.82 mi (440.67 km) |
| Zonguldak to Etropole | 410.52 mi (660.67 km) |
| Zonguldak to Gabrovo | 345.06 mi (555.32 km) |
| Zonguldak to Gorna Oryahovitsa | 332.42 mi (534.99 km) |
| Zonguldak to Gotse Delchev | 417.21 mi (671.43 km) |
| Zonguldak to Harmanli | 306.04 mi (492.52 km) |
| Zonguldak to Haskovo | 323.13 mi (520.02 km) |
| Zonguldak to Ihtiman | 415.60 mi (668.84 km) |
| Zonguldak to Isperih | 296.89 mi (477.79 km) |
| Zonguldak to Kardzhali | 332.75 mi (535.52 km) |
