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DUC to KFS: distance & flight time
Duncan (Halliburton Field) → Kastamonu (Kastamonu Airport)
6,372 mi
10,254 km · 5,537 nm
12h 58m
estimated nonstop flight time
+8h
time difference · heading northeast
See live DUC→KFS fares Phone-only fares on this route — call free
Flight time details
6,372 miles nonstop takes roughly 12h 58m gate to gate, flying northeast. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 8-hour time gain when reading arrival times on your ticket.
The two airports
- DUC — Halliburton Field · Duncan, United States
- KFS — Kastamonu Airport · Kastamonu, 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 DUC
Near KFS
- NOP · Sinop Airport82 mi away
- ONQ · Zonguldak Airport89 mi away
- ESB · Esenboğa International Airport92 mi away
- MZH · Amasya Merzifon Airport96 mi away
Frequently asked questions
How far is DUC from KFS?
The flight distance from Duncan (DUC) to Kastamonu (KFS) is 6,372 miles (10,254 km, 5,537 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from DUC to KFS?
A nonstop flight takes about 12h 58m 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 Duncan and Kastamonu?
Kastamonu is 8 hours ahead of Duncan.
What is the cheapest way to fly from DUC to KFS?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on DUC–KFS that never appear on search engines, with no booking fees.