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LNR to DUC: distance & flight time
Lone Rock (Tri-County Regional Airport) → Duncan (Halliburton Field)
734 mi
1,181 km · 638 nm
2h 4m
estimated nonstop flight time
Same time
time difference · heading southwest
See live LNR→DUC fares Phone-only fares on this route — call free
Flight time details
734 miles nonstop takes roughly 2h 4m 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
- LNR — Tri-County Regional Airport · Lone Rock, 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 LNR
- MSN · Dane County Regional Truax Field43 mi away
- PCD · Prairie Du Chien Municipal Airport49 mi away
- VOK · Volk Field50 mi away
- DBQ · Dubuque Regional Airport62 mi away
Near DUC
Frequently asked questions
How far is LNR from DUC?
The flight distance from Lone Rock (LNR) to Duncan (DUC) is 734 miles (1,181 km, 638 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from LNR to DUC?
A nonstop flight takes about 2h 4m 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 LNR to DUC?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on LNR–DUC that never appear on search engines, with no booking fees.