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GCH to TNN: distance & flight time
Gachsaran (Gachsaran Airport) → Tainan (Tainan Airport)
4,251 mi
6,841 km · 3,694 nm
8h 48m
estimated nonstop flight time
+4.5h
time difference · heading east
See live GCH→TNN fares Phone-only fares on this route — call free
Flight time details
4,251 miles nonstop takes roughly 8h 48m gate to gate, flying east. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 4.5-hour time gain when reading arrival times on your ticket.
The two airports
- GCH — Gachsaran Airport · Gachsaran, Iran
- TNN — Tainan Airport · Tainan, Taiwan
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 TNN
- PIF · Pingtung North Airport25 mi away
- KHH · Kaohsiung International Airport27 mi away
- CYI · Chiayi Airport37 mi away
- WOT · Wang-an Airport53 mi away
Frequently asked questions
How far is GCH from TNN?
The flight distance from Gachsaran (GCH) to Tainan (TNN) is 4,251 miles (6,841 km, 3,694 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from GCH to TNN?
A nonstop flight takes about 8h 48m 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 Tainan?
Tainan is 4.5 hours ahead of Gachsaran.
What is the cheapest way to fly from GCH to TNN?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on GCH–TNN that never appear on search engines, with no booking fees.