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HLN to ONQ: distance & flight time
Helena (Helena Regional Airport) → Zonguldak (Zonguldak Airport)
5,961 mi
9,593 km · 5,180 nm
12h 9m
estimated nonstop flight time
+9h
time difference · heading northeast
See live HLN→ONQ fares Phone-only fares on this route — call free
Flight time details
5,961 miles nonstop takes roughly 12h 9m 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
- HLN — Helena Regional Airport · Helena, 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 HLN
- BTM · Bert Mooney Airport51 mi away
- GTF · Great Falls International Airport67 mi away
- BZN · Gallatin Field70 mi away
- LVM · Mission Field97 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 HLN from ONQ?
The flight distance from Helena (HLN) to Zonguldak (ONQ) is 5,961 miles (9,593 km, 5,180 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from HLN to ONQ?
A nonstop flight takes about 12h 9m 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 Helena and Zonguldak?
Zonguldak is 9 hours ahead of Helena.
What is the cheapest way to fly from HLN to ONQ?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on HLN–ONQ that never appear on search engines, with no booking fees.