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RDG to OSN: distance & flight time
Reading (Reading Regional Carl A Spaatz Field) → Osan (Osan Air Base)
6,889 mi
11,087 km · 5,987 nm
13h 59m
estimated nonstop flight time
+13h
time difference · heading north
See live RDG→OSN fares Phone-only fares on this route — call free
Flight time details
6,889 miles nonstop takes roughly 13h 59m gate to gate, flying north. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 13-hour time gain when reading arrival times on your ticket.
The two airports
- RDG — Reading Regional Carl A Spaatz Field · Reading, United States
- 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 RDG
- PHL · Philadelphia International Airport52 mi away
- LNS · Lancaster Airport25 mi away
- CTH · Chester County G O Carlson Airport28 mi away
- UKT · Quakertown Airport31 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 RDG from OSN?
The flight distance from Reading (RDG) to Osan (OSN) is 6,889 miles (11,087 km, 5,987 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from RDG to OSN?
A nonstop flight takes about 13h 59m 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 Reading and Osan?
Osan is 13 hours ahead of Reading.
What is the cheapest way to fly from RDG to OSN?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on RDG–OSN that never appear on search engines, with no booking fees.