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OSN to VCS: distance & flight time
Osan (Osan Air Base) → Conson (Co Ong Airport)
2,338 mi
3,763 km · 2,032 nm
5h 3m
estimated nonstop flight time
-2h
time difference · heading southwest
See live OSN→VCS fares Phone-only fares on this route — call free
Flight time details
2,338 miles nonstop takes roughly 5h 3m gate to gate, flying southwest. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 2-hour time set-back when reading arrival times on your ticket.
The two airports
- OSN — Osan Air Base · Osan, South Korea
- VCS — Co Ong Airport · Conson, Vietnam
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 VCS
- CAH · Cà Mau Airport104 mi away
- VCA · Can Tho International Airport113 mi away
- VKG · Rach Gia Airport133 mi away
- SGN · Tan Son Nhat International Airport144 mi away
Frequently asked questions
How far is OSN from VCS?
The flight distance from Osan (OSN) to Conson (VCS) is 2,338 miles (3,763 km, 2,032 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from OSN to VCS?
A nonstop flight takes about 5h 3m 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 Conson?
Conson is 2 hours behind Osan.
What is the cheapest way to fly from OSN to VCS?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on OSN–VCS that never appear on search engines, with no booking fees.