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TKH to USN: distance & flight time
Nakhon Sawan (Takhli Airport) → Ulsan (Ulsan Airport)
2,277 mi
3,665 km · 1,979 nm
4h 56m
estimated nonstop flight time
+2h
time difference · heading northeast
See live TKH→USN fares Phone-only fares on this route — call free
Flight time details
2,277 miles nonstop takes roughly 4h 56m gate to gate, flying northeast. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 2-hour time gain when reading arrival times on your ticket.
The two airports
- TKH — Takhli Airport · Nakhon Sawan, Thailand
- USN — Ulsan Airport · Ulsan, 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 TKH
- KDT · Kamphaeng Saen Airport85 mi away
- DMK · Don Mueang International Airport97 mi away
- PHS · Phitsanulok Airport104 mi away
- BKK · Suvarnabhumi Airport114 mi away
Near USN
- KPO · Pohang Airport (G-815/K-3)28 mi away
- PUS · Gimhae International Airport37 mi away
- TAE · Daegu Airport44 mi away
- CHF · Jinhae Airbase/Airport (G-813/K-10)48 mi away
Frequently asked questions
How far is TKH from USN?
The flight distance from Nakhon Sawan (TKH) to Ulsan (USN) is 2,277 miles (3,665 km, 1,979 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from TKH to USN?
A nonstop flight takes about 4h 56m 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 Nakhon Sawan and Ulsan?
Ulsan is 2 hours ahead of Nakhon Sawan.
What is the cheapest way to fly from TKH to USN?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on TKH–USN that never appear on search engines, with no booking fees.