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OKM to DUC: distance & flight time
Okmulgee (Okmulgee Regional Airport) → Duncan (Halliburton Field)
141 mi
226 km · 122 nm
50m
estimated nonstop flight time
Same time
time difference · heading southwest
See live OKM→DUC fares Phone-only fares on this route — call free
Flight time details
141 miles nonstop takes roughly 50m gate to gate, flying southwest. Add 45–90 minutes per connection if there's no nonstop service. Both airports share the same local time, so schedules read exactly as flown.
The two airports
- OKM — Okmulgee Regional Airport · Okmulgee, United States
- 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 OKM
- RVS · Richard Lloyd Jones Jr Airport26 mi away
- TUL · Tulsa International Airport37 mi away
- CUH · Cushing Municipal Airport50 mi away
- MLC · Mc Alester Regional Airport55 mi away
Near DUC
Frequently asked questions
How far is OKM from DUC?
The flight distance from Okmulgee (OKM) to Duncan (DUC) is 141 miles (226 km, 122 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from OKM to DUC?
A nonstop flight takes about 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 cheapest way to fly from OKM to DUC?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on OKM–DUC that never appear on search engines, with no booking fees.