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CXO to DUC: distance & flight time
Conroe (Conroe-North Houston Regional Airport) → Duncan (Halliburton Field)
321 mi
517 km · 279 nm
1h 19m
estimated nonstop flight time
Same time
time difference · heading northwest
See live CXO→DUC fares Phone-only fares on this route — call free
Flight time details
321 miles nonstop takes roughly 1h 19m gate to gate, flying northwest. 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
- CXO — Conroe-North Houston Regional Airport · Conroe, 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 CXO
- IAH · George Bush Intercontinental Houston Airport26 mi away
- DWH · David Wayne Hooks Memorial Airport22 mi away
- HTV · Huntsville Regional Airport29 mi away
- IWS · West Houston Airport40 mi away
Near DUC
Frequently asked questions
How far is CXO from DUC?
The flight distance from Conroe (CXO) to Duncan (DUC) is 321 miles (517 km, 279 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from CXO to DUC?
A nonstop flight takes about 1h 19m 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 CXO to DUC?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on CXO–DUC that never appear on search engines, with no booking fees.