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ART to OSN: distance & flight time
Watertown (Watertown International Airport) → Osan (Osan Air Base)
6,652 mi
10,705 km · 5,780 nm
13h 31m
estimated nonstop flight time
+13h
time difference · heading north
See live ART→OSN fares Phone-only fares on this route — call free
Flight time details
6,652 miles nonstop takes roughly 13h 31m 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
- ART — Watertown International Airport · Watertown, 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 ART
- YGK · Kingston Norman Rogers Airport33 mi away
- OGS · Ogdensburg International Airport55 mi away
- RME · Griffiss International Airport61 mi away
- SYR · Syracuse Hancock International Airport61 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 ART from OSN?
The flight distance from Watertown (ART) to Osan (OSN) is 6,652 miles (10,705 km, 5,780 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from ART to OSN?
A nonstop flight takes about 13h 31m 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 Watertown and Osan?
Osan is 13 hours ahead of Watertown.
What is the cheapest way to fly from ART to OSN?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on ART–OSN that never appear on search engines, with no booking fees.