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RTM to OSN: distance & flight time
Rotterdam (Rotterdam The Hague Airport) → Osan (Osan Air Base)
5,380 mi
8,659 km · 4,675 nm
11h 1m
estimated nonstop flight time
+7h
time difference · heading northeast
See live RTM→OSN fares Phone-only fares on this route — call free
Flight time details
5,380 miles nonstop takes roughly 11h 1m 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
- RTM — Rotterdam The Hague Airport · Rotterdam, Netherlands
- 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 RTM
- AMS · Amsterdam Airport Schiphol28 mi away
- LID · Valkenburg Naval Air Base14 mi away
- GLZ · Gilze Rijen Air Base34 mi away
- WOE · Woensdrecht Air Base35 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 RTM from OSN?
The flight distance from Rotterdam (RTM) to Osan (OSN) is 5,380 miles (8,659 km, 4,675 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from RTM to OSN?
A nonstop flight takes about 11h 1m 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 Rotterdam and Osan?
Osan is 7 hours ahead of Rotterdam.
What is the cheapest way to fly from RTM to OSN?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on RTM–OSN that never appear on search engines, with no booking fees.