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STK to ONQ: distance & flight time
Sterling (Sterling Municipal Airport) → Zonguldak (Zonguldak Airport)
6,112 mi
9,836 km · 5,311 nm
12h 27m
estimated nonstop flight time
+9h
time difference · heading northeast
See live STK→ONQ fares Phone-only fares on this route — call free
Flight time details
6,112 miles nonstop takes roughly 12h 27m gate to gate, flying northeast. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 9-hour time gain when reading arrival times on your ticket.
The two airports
- STK — Sterling Municipal Airport · Sterling, United States
- ONQ — Zonguldak Airport · Zonguldak, Turkey
Distances are great-circle ("as the crow flies") — the same basis airlines use for frequent-flyer miles.
Alternate airports can cut this fare
Flying from or into a nearby airport is the #1 trick our agents use to beat online prices. Call and we'll compare every combination on one call.
Near STK
- AKO · Colorado Plains Regional Airport30 mi away
- SNY · Sidney Municipal-Lloyd W Carr Field37 mi away
- DEN · Denver International Airport91 mi away
- GXY · Greeley–Weld County Airport73 mi away
Near ONQ
- KFS · Kastamonu Airport89 mi away
- ESB · Esenboğa International Airport106 mi away
- ANK · Etimesgut Air Base112 mi away
- KCO · Cengiz Topel Airport117 mi away
Frequently asked questions
How far is STK from ONQ?
The flight distance from Sterling (STK) to Zonguldak (ONQ) is 6,112 miles (9,836 km, 5,311 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from STK to ONQ?
A nonstop flight takes about 12h 27m gate to gate. Actual time varies with winds, routing and season — eastbound transatlantic flights, for example, are usually faster than the return.
What is the time difference between Sterling and Zonguldak?
Zonguldak is 9 hours ahead of Sterling.
What is the cheapest way to fly from STK to ONQ?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on STK–ONQ that never appear on search engines, with no booking fees.