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ONQ to KLS: distance & flight time
Zonguldak (Zonguldak Airport) → Kelso (Southwest Washington Regional Airport)
6,190 mi
9,961 km · 5,379 nm
12h 36m
estimated nonstop flight time
-10h
time difference · heading north
See live ONQ→KLS fares Phone-only fares on this route — call free
Flight time details
6,190 miles nonstop takes roughly 12h 36m gate to gate, flying north. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 10-hour time set-back when reading arrival times on your ticket.
The two airports
- ONQ — Zonguldak Airport · Zonguldak, Turkey
- KLS — Southwest Washington Regional Airport · Kelso, 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 KLS
- PDX · Portland International Airport39 mi away
- CLS · Chehalis Centralia Airport39 mi away
- HIO · Portland Hillsboro Airport40 mi away
- TTD · Portland Troutdale Airport46 mi away
Frequently asked questions
How far is ONQ from KLS?
The flight distance from Zonguldak (ONQ) to Kelso (KLS) is 6,190 miles (9,961 km, 5,379 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from ONQ to KLS?
A nonstop flight takes about 12h 36m 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 Kelso?
Kelso is 10 hours behind Zonguldak.
What is the cheapest way to fly from ONQ to KLS?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on ONQ–KLS that never appear on search engines, with no booking fees.