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OSN to VDH: distance & flight time
Osan (Osan Air Base) → Dong Hoi (Dong Hoi Airport)
1,837 mi
2,956 km · 1,596 nm
4h 4m
estimated nonstop flight time
-2h
time difference · heading southwest
See live OSN→VDH fares Phone-only fares on this route — call free
Flight time details
1,837 miles nonstop takes roughly 4h 4m 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
- VDH — Dong Hoi Airport · Dong Hoi, 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 VDH
- VII · Vinh Airport104 mi away
- HUI · Phu Bai Airport106 mi away
- VNA · Saravane Airport125 mi away
- KOP · Nakhon Phanom Airport129 mi away
Frequently asked questions
How far is OSN from VDH?
The flight distance from Osan (OSN) to Dong Hoi (VDH) is 1,837 miles (2,956 km, 1,596 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from OSN to VDH?
A nonstop flight takes about 4h 4m 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 Dong Hoi?
Dong Hoi is 2 hours behind Osan.
What is the cheapest way to fly from OSN to VDH?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on OSN–VDH that never appear on search engines, with no booking fees.