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THR to TNN: distance & flight time
Teheran (Mehrabad International Airport) → Tainan (Tainan Airport)
4,160 mi
6,695 km · 3,615 nm
8h 37m
estimated nonstop flight time
+4.5h
time difference · heading east
See live THR→TNN fares Phone-only fares on this route — call free
Flight time details
4,160 miles nonstop takes roughly 8h 37m 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
- THR — Mehrabad International Airport · Teheran, 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 THR
- IKA · Imam Khomeini International Airport21 mi away
- PYK · Payam International Airport28 mi away
- NSH · Noshahr Airport68 mi away
- GZW · Qazvin Airport80 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 THR from TNN?
The flight distance from Teheran (THR) to Tainan (TNN) is 4,160 miles (6,695 km, 3,615 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from THR to TNN?
A nonstop flight takes about 8h 37m 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 Teheran and Tainan?
Tainan is 4.5 hours ahead of Teheran.
What is the cheapest way to fly from THR to TNN?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on THR–TNN that never appear on search engines, with no booking fees.