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OSN to GRZ: distance & flight time
Osan (Osan Air Base) → Graz (Graz Airport)
5,256 mi
8,458 km · 4,567 nm
10h 46m
estimated nonstop flight time
-7h
time difference · heading northwest
See live OSN→GRZ fares Phone-only fares on this route — call free
Flight time details
5,256 miles nonstop takes roughly 10h 46m 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
- GRZ — Graz Airport · Graz, Austria
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 GRZ
- MBX · Maribor Airport37 mi away
- KLU · Klagenfurt Airport57 mi away
- LJU · Ljubljana Jože Pučnik Airport71 mi away
- SOB · Sármellék International Airport84 mi away
Frequently asked questions
How far is OSN from GRZ?
The flight distance from Osan (OSN) to Graz (GRZ) is 5,256 miles (8,458 km, 4,567 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from OSN to GRZ?
A nonstop flight takes about 10h 46m 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 Osan and Graz?
Graz is 7 hours behind Osan.
What is the cheapest way to fly from OSN to GRZ?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on OSN–GRZ that never appear on search engines, with no booking fees.