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GCH to RSU: distance & flight time
Gachsaran (Gachsaran Airport) → Yeosu (Yeosu Airport)
4,369 mi
7,031 km · 3,796 nm
9h 2m
estimated nonstop flight time
+5.5h
time difference · heading northeast
See live GCH→RSU fares Phone-only fares on this route — call free
Flight time details
4,369 miles nonstop takes roughly 9h 2m 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
- RSU — Yeosu Airport · Yeosu, 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 RSU
- HIN · Sacheon Air Base/Airport31 mi away
- KWJ · Gwangju Airport50 mi away
- CHF · Jinhae Airbase/Airport (G-813/K-10)64 mi away
- MPK · Mokpo Heliport70 mi away
Frequently asked questions
How far is GCH from RSU?
The flight distance from Gachsaran (GCH) to Yeosu (RSU) is 4,369 miles (7,031 km, 3,796 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from GCH to RSU?
A nonstop flight takes about 9h 2m gate to gate. Actual time varies with winds, routing and season — eastbound transatlantic flights, for example, are usually faster than the return.
Are there nonstop flights from GCH to RSU?
Nonstop service on GCH–RSU depends on the season and the day of week. Run the fare search on this page with the nonstop filter applied to see current direct options; when there is no nonstop, a single connection through a carrier hub adds roughly 2–4 hours to the 9h 2m nonstop estimate.
What is the time difference between Gachsaran and Yeosu?
Yeosu is 5.5 hours ahead of Gachsaran.
What is the cheapest way to fly from GCH to RSU?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on GCH–RSU that never appear on search engines, with no booking fees.
Why are some GCH to RSU fares phone-only?
Consolidator contracts let us sell certain GCH–RSU tickets below the price airlines permit us to publish online, so those fares can only be quoted over the phone. Call the travel desk and an agent will check phone-only inventory for your dates.