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OSN to MCS: distance & flight time
Osan (Osan Air Base) → Monte Caseros (Monte Caseros Airport)
11,895 mi
19,143 km · 10,336 nm
23h 47m
estimated nonstop flight time
-12h
time difference · heading northeast
See live OSN→MCS fares Phone-only fares on this route — call free
Flight time details
11,895 miles nonstop takes roughly 23h 47m gate to gate, flying northeast. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 12-hour time set-back when reading arrival times on your ticket.
The two airports
- OSN — Osan Air Base · Osan, South Korea
- MCS — Monte Caseros Airport · Monte Caseros, Argentina
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 MCS
- UZU · Curuzu Cuatia Airport40 mi away
- URG · Rubem Berta Airport49 mi away
- AOL · Paso De Los Libres Airport50 mi away
- ATI · Artigas International Airport68 mi away
Frequently asked questions
How far is OSN from MCS?
The flight distance from Osan (OSN) to Monte Caseros (MCS) is 11,895 miles (19,143 km, 10,336 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from OSN to MCS?
A nonstop flight takes about 23h 47m 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 Monte Caseros?
Monte Caseros is 12 hours behind Osan.
What is the cheapest way to fly from OSN to MCS?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on OSN–MCS that never appear on search engines, with no booking fees.