Need help booking?
Unpublished phone-only deals available
TGA to OSN: distance & flight time
Tengah (Tengah Air Base) → Osan (Osan Air Base)
2,880 mi
4,634 km · 2,502 nm
6h 7m
estimated nonstop flight time
+1h
time difference · heading northeast
See live TGA→OSN fares Phone-only fares on this route — call free
Flight time details
2,880 miles nonstop takes roughly 6h 7m gate to gate, flying northeast. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 1-hour time gain when reading arrival times on your ticket.
The two airports
- TGA — Tengah Air Base · Tengah, Singapore
- 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 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
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 TGA from OSN?
The flight distance from Tengah (TGA) to Osan (OSN) 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 TGA to OSN?
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 Tengah and Osan?
Osan is 1 hour ahead of Tengah.
What is the cheapest way to fly from TGA to OSN?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on TGA–OSN that never appear on search engines, with no booking fees.