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GAU to OSN: distance & flight time
Guwahati (Lokpriya Gopinath Bordoloi International Airport) → Osan (Osan Air Base)
2,204 mi
3,548 km · 1,916 nm
4h 47m
estimated nonstop flight time
+3.5h
time difference · heading northeast
See live GAU→OSN fares Phone-only fares on this route — call free
Flight time details
2,204 miles nonstop takes roughly 4h 47m gate to gate, flying northeast. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 3.5-hour time gain when reading arrival times on your ticket.
The two airports
- GAU — Lokpriya Gopinath Bordoloi International Airport · Guwahati, India
- 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 GAU
- SHL · Shillong Airport37 mi away
- ZYL · Osmany International Airport81 mi away
- TEZ · Tezpur Airport85 mi away
- GLU · Gelephu Airport88 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 GAU from OSN?
The flight distance from Guwahati (GAU) to Osan (OSN) is 2,204 miles (3,548 km, 1,916 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from GAU to OSN?
A nonstop flight takes about 4h 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 Guwahati and Osan?
Osan is 3.5 hours ahead of Guwahati.
What is the cheapest way to fly from GAU to OSN?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on GAU–OSN that never appear on search engines, with no booking fees.