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DUC to OSR: distance & flight time
Duncan (Halliburton Field) → Ostrava (Ostrava Leos Janáček Airport)
5,432 mi
8,742 km · 4,721 nm
11h 7m
estimated nonstop flight time
+7h
time difference · heading northeast
See live DUC→OSR fares Phone-only fares on this route — call free
Flight time details
5,432 miles nonstop takes roughly 11h 7m gate to gate, flying northeast. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 7-hour time gain when reading arrival times on your ticket.
The two airports
- DUC — Halliburton Field · Duncan, United States
- OSR — Ostrava Leos Janáček Airport · Ostrava, Czech Republic
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 DUC
Near OSR
- PRV · Přerov Air Base37 mi away
- ILZ · Žilina Airport39 mi away
- UHE · Kunovice Airport55 mi away
- KTW · Katowice International Airport69 mi away
Frequently asked questions
How far is DUC from OSR?
The flight distance from Duncan (DUC) to Ostrava (OSR) is 5,432 miles (8,742 km, 4,721 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from DUC to OSR?
A nonstop flight takes about 11h 7m 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 Duncan and Ostrava?
Ostrava is 7 hours ahead of Duncan.
What is the cheapest way to fly from DUC to OSR?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on DUC–OSR that never appear on search engines, with no booking fees.