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RDO to OSN: distance & flight time
RADOM (Radom Airport) → Osan (Osan Air Base)
4,864 mi
7,827 km · 4,226 nm
10h
estimated nonstop flight time
+7h
time difference · heading northeast
See live RDO→OSN fares Phone-only fares on this route — call free
Flight time details
4,864 miles nonstop takes roughly 10h 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
- RDO — Radom Airport · RADOM, Poland
- 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 RDO
- WAW · Warsaw Chopin Airport55 mi away
- LUZ · Lublin Airport66 mi away
- WMI · Modlin Airport77 mi away
- LCJ · Łódź Władysław Reymont Airport81 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 RDO from OSN?
The flight distance from RADOM (RDO) to Osan (OSN) is 4,864 miles (7,827 km, 4,226 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from RDO to OSN?
A nonstop flight takes about 10h 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 RADOM and Osan?
Osan is 7 hours ahead of RADOM.
What is the cheapest way to fly from RDO to OSN?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on RDO–OSN that never appear on search engines, with no booking fees.