Zonguldak (ONQ) to Cologne (CGN) flights
No airline flies nonstop from Zonguldak (ONQ) to Cologne (CGN). The two airports are 1,349 miles (2,171 km) apart. There are 1 way to fly it with one stop, through Istanbul.
How to fly ONQ to CGN: one stop
1 connection, most direct first. 2-stop routings and flight times are in Routes with Pro.
- Via Istanbul (IST)Turkish Airlines the whole way


ONQ to CGN: common questions
Is there a nonstop flight from ONQ to CGN?
No. The most direct way is one stop, for example through Istanbul (IST) on Turkish Airlines and then Turkish Airlines. This page lists all 1 1-stop option.
How far is Zonguldak from Cologne by plane?
Zonguldak (ONQ) and Cologne (CGN) are 1,349 miles (2,171 km) apart along the great circle, the shortest path a flight can take. Connections add distance on top.
How many miles does ONQ to CGN cost?
It depends on the program: each prices the route from its own chart or dynamically. The Award Flight Pricer compares 30+ programs for ONQ to CGN with taxes and fees.
Where can I connect between Zonguldak and Cologne?
The most direct connections are through Istanbul (IST). On 1 of them the same airline flies both flights, for example Turkish Airlines through Istanbul.
More routes
Routes are scheduled nonstop flights. The route data is refreshed monthly; this list was last checked November 11, 2026. Seasonal routes and new launches can be missing or end early, so confirm with the airline before you book. Distances are great-circle, the shortest path between the two airports.