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ALO to DUC: distance & flight time
Waterloo (Waterloo Regional Airport) → Duncan (Halliburton Field)
634 mi
1,020 km · 551 nm
1h 51m
estimated nonstop flight time
Same time
time difference · heading southwest
See live ALO→DUC fares Phone-only fares on this route — call free
Flight time details
634 miles nonstop takes roughly 1h 51m 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
- ALO — Waterloo Regional Airport · Waterloo, 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 ALO
- CCY · Northeast Iowa Regional Airport37 mi away
- CID · The Eastern Iowa Airport58 mi away
- MCW · Mason City Municipal Airport63 mi away
- PCD · Prairie Du Chien Municipal Airport72 mi away
Near DUC
Frequently asked questions
How far is ALO from DUC?
The flight distance from Waterloo (ALO) to Duncan (DUC) is 634 miles (1,020 km, 551 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from ALO to DUC?
A nonstop flight takes about 1h 51m 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 ALO to DUC?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on ALO–DUC that never appear on search engines, with no booking fees.