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ONQ to FSI: distance & flight time
Zonguldak (Zonguldak Airport) → Fort Sill (Henry Post Army Air Field (Fort Sill))
6,310 mi
10,156 km · 5,484 nm
12h 50m
estimated nonstop flight time
-8h
time difference · heading northwest
See live ONQ→FSI fares Phone-only fares on this route — call free
Flight time details
6,310 miles nonstop takes roughly 12h 50m 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
- FSI — Henry Post Army Air Field (Fort Sill) · Fort Sill, 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 FSI
- LAW · Lawton Fort Sill Regional Airport6 mi away
- DUC · Halliburton Field28 mi away
- HBR · Hobart Regional Airport44 mi away
- SPS · Sheppard Air Force Base-Wichita Falls Municipal Airport46 mi away
Frequently asked questions
How far is ONQ from FSI?
The flight distance from Zonguldak (ONQ) to Fort Sill (FSI) is 6,310 miles (10,156 km, 5,484 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from ONQ to FSI?
A nonstop flight takes about 12h 50m 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 Fort Sill?
Fort Sill is 8 hours behind Zonguldak.
What is the cheapest way to fly from ONQ to FSI?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on ONQ–FSI that never appear on search engines, with no booking fees.