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OSN to CPH: distance & flight time
Osan (Osan Air Base) → Copenhagen (Copenhagen Kastrup Airport)
4,963 mi
7,987 km · 4,313 nm
10h 12m
estimated nonstop flight time
-7h
time difference · heading northwest
See live OSN→CPH fares Phone-only fares on this route — call free
Flight time details
4,963 miles nonstop takes roughly 10h 12m gate to gate, flying northwest. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 7-hour time set-back when reading arrival times on your ticket.
The two airports
- OSN — Osan Air Base · Osan, South Korea
- CPH — Copenhagen Kastrup Airport · Copenhagen, Denmark
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 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
Near CPH
- RKE · Copenhagen Roskilde Airport21 mi away
- MMX · Malmö Sturup Airport29 mi away
- AGH · Ängelholm-Helsingborg Airport47 mi away
- KID · Kristianstad Airport59 mi away
Frequently asked questions
How far is OSN from CPH?
The flight distance from Osan (OSN) to Copenhagen (CPH) is 4,963 miles (7,987 km, 4,313 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from OSN to CPH?
A nonstop flight takes about 10h 12m 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 OSN to CPH?
Nonstop service on OSN–CPH 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 10h 12m nonstop estimate.
What is the time difference between Osan and Copenhagen?
Copenhagen is 7 hours behind Osan.
What is the cheapest way to fly from OSN to CPH?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on OSN–CPH that never appear on search engines, with no booking fees.
Why are some OSN to CPH fares phone-only?
Consolidator contracts let us sell certain OSN–CPH 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.