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DBQ to OSN: distance & flight time
Dubuque IA (Dubuque Regional Airport) → Osan (Osan Air Base)
6,453 mi
10,385 km · 5,607 nm
13h 7m
estimated nonstop flight time
+14h
time difference · heading northwest
See live DBQ→OSN fares Phone-only fares on this route — call free
Flight time details
6,453 miles nonstop takes roughly 13h 7m gate to gate, flying northwest. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 14-hour time gain when reading arrival times on your ticket.
The two airports
- DBQ — Dubuque Regional Airport · Dubuque IA, United States
- OSN — Osan Air Base · Osan, South Korea
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 DBQ
- CWI · Clinton Municipal Airport44 mi away
- PCD · Prairie Du Chien Municipal Airport48 mi away
- LNR · Tri-County Regional Airport62 mi away
- CID · The Eastern Iowa Airport63 mi away
Near OSN
- ICN · Incheon International Airport41 mi away
- SWU · Suwon Airport10 mi away
- SSN · Seoul Air Base (K-16)25 mi away
- GMP · Gimpo International Airport35 mi away
Frequently asked questions
How far is DBQ from OSN?
The flight distance from Dubuque IA (DBQ) to Osan (OSN) is 6,453 miles (10,385 km, 5,607 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from DBQ to OSN?
A nonstop flight takes about 13h 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 Dubuque IA and Osan?
Osan is 14 hours ahead of Dubuque IA.
What is the cheapest way to fly from DBQ to OSN?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on DBQ–OSN that never appear on search engines, with no booking fees.