| Cities | Distance |
|---|---|
| Zonguldak to Karlovo | 367.84 mi (591.98 km) |
| Zonguldak to Karnobat | 260.07 mi (418.54 km) |
| Zonguldak to Kavarna | 223.29 mi (359.35 km) |
| Zonguldak to Kazanlak | 337.91 mi (543.81 km) |
| Zonguldak to Knezha | 417.55 mi (671.98 km) |
| Zonguldak to Kostinbrod | 449.42 mi (723.27 km) |
| Zonguldak to Kozloduy | 440.22 mi (708.46 km) |
| Zonguldak to Kyustendil | 472.23 mi (759.98 km) |
| Zonguldak to Levski | 364.60 mi (586.77 km) |
| Zonguldak to Lom | 464.62 mi (747.74 km) |
| Zonguldak to Lovech | 379.89 mi (611.38 km) |
| Zonguldak to Lukovit | 407.86 mi (656.38 km) |
| Zonguldak to Lyaskovets | 330.91 mi (532.54 km) |
| Zonguldak to Mezdra | 429.87 mi (691.81 km) |
| Zonguldak to Momchilgrad | 330.24 mi (531.48 km) |