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ONQ to IWS: distance & flight time
Zonguldak (Zonguldak Airport) → Houston (West Houston Airport)
6,489 mi
10,443 km · 5,639 nm
13h 11m
estimated nonstop flight time
-8h
time difference · heading northwest
See live ONQ→IWS fares Phone-only fares on this route — call free
Flight time details
6,489 miles nonstop takes roughly 13h 11m gate to gate, flying northwest. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 8-hour time set-back when reading arrival times on your ticket.
The two airports
- ONQ — Zonguldak Airport · Zonguldak, Turkey
- IWS — West Houston Airport · Houston, United States
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 ONQ
- KFS · Kastamonu Airport89 mi away
- ESB · Esenboğa International Airport106 mi away
- ANK · Etimesgut Air Base112 mi away
- KCO · Cengiz Topel Airport117 mi away
Near IWS
- IAH · George Bush Intercontinental Houston Airport23 mi away
- AAP · Andrau Airpark8 mi away
- SGR · Sugar Land Regional Airport14 mi away
- DWH · David Wayne Hooks Memorial Airport18 mi away
Frequently asked questions
How far is ONQ from IWS?
The flight distance from Zonguldak (ONQ) to Houston (IWS) is 6,489 miles (10,443 km, 5,639 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from ONQ to IWS?
A nonstop flight takes about 13h 11m 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 Zonguldak and Houston?
Houston is 8 hours behind Zonguldak.
What is the cheapest way to fly from ONQ to IWS?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on ONQ–IWS that never appear on search engines, with no booking fees.