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OSN to VKG: distance & flight time
Osan (Osan Air Base) → Rach Gia (Rach Gia Airport)
2,319 mi
3,732 km · 2,015 nm
5h 1m
estimated nonstop flight time
-2h
time difference · heading southwest
See live OSN→VKG fares Phone-only fares on this route — call free
Flight time details
2,319 miles nonstop takes roughly 5h 1m 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
- VKG — Rach Gia Airport · Rach Gia, 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 VKG
- VCA · Can Tho International Airport40 mi away
- CAH · Cà Mau Airport54 mi away
- PQC · Phu Quoc International Airport79 mi away
- KOS · Sihanoukville International Airport110 mi away
Frequently asked questions
How far is OSN from VKG?
The flight distance from Osan (OSN) to Rach Gia (VKG) is 2,319 miles (3,732 km, 2,015 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from OSN to VKG?
A nonstop flight takes about 5h 1m 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 Rach Gia?
Rach Gia is 2 hours behind Osan.
What is the cheapest way to fly from OSN to VKG?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on OSN–VKG that never appear on search engines, with no booking fees.