| Z | ||
| Zadar, Croatia (ZAD) | Zaragoza, Spain and Canary Islands (ZAZ) | Zielana, Poland (IEG) |
| Zagreb, Croatia (ZAG) | Zhanjiang, China (ZHA) | Zihuatanejo/Ixtapa, Mexico (ZIH) |
| Zahedan, Iran (ZAH) | Zhaotong, China (ZAT) | Zouerate, Mauritania (OUZ) |
| Zakinthos Island, Greece (ZTH) | Zhengzha, China (CGO) | Zugapa, Indonesia (UGU) |
| Zamboanga, Philippines (ZAM) | Zhob, Pakistan (PZH) | Zurich, Switzerland (ZRH) |
| Zanzibar, Tanzania - Kisauni (ZNZ) | Zhoushan, China (HSN) | |
| Zaporozhye, Ukraine (OZH) | Zhuhai, China (ZUH) |