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OJC to DUC: distance & flight time
Olathe (Johnson County Executive Airport) → Duncan (Halliburton Field)
351 mi
565 km · 305 nm
1h 23m
estimated nonstop flight time
Same time
time difference · heading southwest
See live OJC→DUC fares Phone-only fares on this route — call free
Flight time details
351 miles nonstop takes roughly 1h 23m 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
- OJC — Johnson County Executive Airport · Olathe, 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 OJC
- JCI · New Century Aircenter Airport8 mi away
- MKC · Charles B. Wheeler Downtown Airport21 mi away
- LWC · Lawrence Municipal Airport28 mi away
- MCI · Kansas City International Airport31 mi away
Near DUC
Frequently asked questions
How far is OJC from DUC?
The flight distance from Olathe (OJC) to Duncan (DUC) is 351 miles (565 km, 305 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from OJC to DUC?
A nonstop flight takes about 1h 23m 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 OJC to DUC?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on OJC–DUC that never appear on search engines, with no booking fees.