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CSM to DUC: distance & flight time
Clinton (Clinton Sherman Airport) → Duncan (Halliburton Field)
92 mi
149 km · 80 nm
43m
estimated nonstop flight time
Same time
time difference · heading southeast
See live CSM→DUC fares Phone-only fares on this route — call free
Flight time details
92 miles nonstop takes roughly 43m gate to gate, flying southeast. 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
- CSM — Clinton Sherman Airport · Clinton, 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 CSM
- HBR · Hobart Regional Airport26 mi away
- LTS · Altus Air Force Base47 mi away
- FSI · Henry Post Army Air Field (Fort Sill)66 mi away
- LAW · Lawton Fort Sill Regional Airport69 mi away
Near DUC
Frequently asked questions
How far is CSM from DUC?
The flight distance from Clinton (CSM) to Duncan (DUC) is 92 miles (149 km, 80 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from CSM to DUC?
A nonstop flight takes about 43m 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 CSM to DUC?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on CSM–DUC that never appear on search engines, with no booking fees.