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MHQ to OSN: distance & flight time
Mariehamn (Mariehamn Airport) → Osan (Osan Air Base)
4,564 mi
7,345 km · 3,966 nm
9h 25m
estimated nonstop flight time
+7h
time difference · heading northeast
See live MHQ→OSN fares Phone-only fares on this route — call free
Flight time details
4,564 miles nonstop takes roughly 9h 25m 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
- MHQ — Mariehamn Airport · Mariehamn, Finland
- 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 MHQ
- ARN · Stockholm-Arlanda Airport76 mi away
- TKU · Turku Airport85 mi away
- BMA · Stockholm-Bromma Airport86 mi away
- GVX · Gävle Sandviken Airport106 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 MHQ from OSN?
The flight distance from Mariehamn (MHQ) to Osan (OSN) is 4,564 miles (7,345 km, 3,966 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from MHQ to OSN?
A nonstop flight takes about 9h 25m gate to gate. Actual time varies with winds, routing and season — eastbound transatlantic flights, for example, are usually faster than the return.
Are there nonstop flights from MHQ to OSN?
Nonstop service on MHQ–OSN depends on the season and the day of week. Run the fare search on this page with the nonstop filter applied to see current direct options; when there is no nonstop, a single connection through a carrier hub adds roughly 2–4 hours to the 9h 25m nonstop estimate.
What is the time difference between Mariehamn and Osan?
Osan is 7 hours ahead of Mariehamn.
What is the cheapest way to fly from MHQ to OSN?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on MHQ–OSN that never appear on search engines, with no booking fees.
Why are some MHQ to OSN fares phone-only?
Consolidator contracts let us sell certain MHQ–OSN tickets below the price airlines permit us to publish online, so those fares can only be quoted over the phone. Call the travel desk and an agent will check phone-only inventory for your dates.