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OLM to DUC: distance & flight time
Olympia (Olympia Regional Airport) → Duncan (Halliburton Field)
1,555 mi
2,503 km · 1,351 nm
3h 31m
estimated nonstop flight time
+2h
time difference · heading southeast
See live OLM→DUC fares Phone-only fares on this route — call free
Flight time details
1,555 miles nonstop takes roughly 3h 31m gate to gate, flying southeast. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 2-hour time gain when reading arrival times on your ticket.
The two airports
- OLM — Olympia Regional Airport · Olympia, 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 OLM
- SEA · Seattle Tacoma International Airport43 mi away
- GRF · Gray Army Air Field17 mi away
- CLS · Chehalis Centralia Airport21 mi away
- SHN · Sanderson Field22 mi away
Near DUC
Frequently asked questions
How far is OLM from DUC?
The flight distance from Olympia (OLM) to Duncan (DUC) is 1,555 miles (2,503 km, 1,351 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from OLM to DUC?
A nonstop flight takes about 3h 31m 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 time difference between Olympia and Duncan?
Duncan is 2 hours ahead of Olympia.
What is the cheapest way to fly from OLM to DUC?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on OLM–DUC that never appear on search engines, with no booking fees.