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GCH to USN: distance & flight time
Gachsaran (Gachsaran Airport) → Ulsan (Ulsan Airport)
4,443 mi
7,150 km · 3,861 nm
9h 11m
estimated nonstop flight time
+5.5h
time difference · heading northeast
See live GCH→USN fares Phone-only fares on this route — call free
Flight time details
4,443 miles nonstop takes roughly 9h 11m gate to gate, flying northeast. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 5.5-hour time gain when reading arrival times on your ticket.
The two airports
- GCH — Gachsaran Airport · Gachsaran, Iran
- 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 GCH
- YES · Yasouj Airport50 mi away
- AKW · Aghajari Airport74 mi away
- KHK · Khark Island Airport80 mi away
- OMI · Omidiyeh Airport84 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 GCH from USN?
The flight distance from Gachsaran (GCH) to Ulsan (USN) is 4,443 miles (7,150 km, 3,861 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from GCH to USN?
A nonstop flight takes about 9h 11m 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 Gachsaran and Ulsan?
Ulsan is 5.5 hours ahead of Gachsaran.
What is the cheapest way to fly from GCH to USN?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on GCH–USN that never appear on search engines, with no booking fees.