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OSN to TGA: distance & flight time
Osan (Osan Air Base) → Tengah (Tengah Air Base)
2,880 mi
4,634 km · 2,502 nm
6h 7m
estimated nonstop flight time
-1h
time difference · heading southwest
See live OSN→TGA fares Phone-only fares on this route — call free
Flight time details
2,880 miles nonstop takes roughly 6h 7m gate to gate, flying southwest. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 1-hour time set-back when reading arrival times on your ticket.
The two airports
- OSN — Osan Air Base · Osan, South Korea
- TGA — Tengah Air Base · Tengah, Singapore
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 TGA
- SIN · Singapore Changi Airport20 mi away
- XSP · Seletar Airport11 mi away
- QPG · Paya Lebar Air Base14 mi away
- JHB · Senai International Airport18 mi away
Frequently asked questions
How far is OSN from TGA?
The flight distance from Osan (OSN) to Tengah (TGA) is 2,880 miles (4,634 km, 2,502 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from OSN to TGA?
A nonstop flight takes about 6h 7m 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 Tengah?
Tengah is 1 hour behind Osan.
What is the cheapest way to fly from OSN to TGA?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on OSN–TGA that never appear on search engines, with no booking fees.