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CLJ to DUC: distance & flight time
Cluj-napoca (Cluj-Napoca International Airport) → Duncan (Halliburton Field)
5,757 mi
9,265 km · 5,003 nm
11h 45m
estimated nonstop flight time
-8h
time difference · heading northwest
See live CLJ→DUC fares Phone-only fares on this route — call free
Flight time details
5,757 miles nonstop takes roughly 11h 45m 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
- CLJ — Cluj-Napoca International Airport · Cluj-napoca, Romania
- DUC — Halliburton Field · Duncan, 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 CLJ
- TGM · Transilvania Târgu Mureş International Airport41 mi away
- BAY · Tautii Magheraus Airport61 mi away
- SBZ · Sibiu International Airport72 mi away
- SUJ · Satu Mare Airport74 mi away
Near DUC
Frequently asked questions
How far is CLJ from DUC?
The flight distance from Cluj-napoca (CLJ) to Duncan (DUC) is 5,757 miles (9,265 km, 5,003 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from CLJ to DUC?
A nonstop flight takes about 11h 45m gate to gate. Actual time varies with winds, routing and season — eastbound transatlantic flights, for example, are usually faster than the return.
Are there nonstop flights from CLJ to DUC?
Nonstop service on CLJ–DUC depends on the season and the day of week. Run the fare search on this page with the nonstop filter applied to see current direct options; when there is no nonstop, a single connection through a carrier hub adds roughly 2–4 hours to the 11h 45m nonstop estimate.
What is the time difference between Cluj-napoca and Duncan?
Duncan is 8 hours behind Cluj-napoca.
What is the cheapest way to fly from CLJ to DUC?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on CLJ–DUC that never appear on search engines, with no booking fees.
Why are some CLJ to DUC fares phone-only?
Consolidator contracts let us sell certain CLJ–DUC tickets below the price airlines permit us to publish online, so those fares can only be quoted over the phone. Call the travel desk and an agent will check phone-only inventory for your dates.