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SYO to THR: distance & flight time
Shonai (Shonai Airport) → Teheran (Mehrabad International Airport)
4,665 mi
7,507 km · 4,053 nm
9h 37m
estimated nonstop flight time
-5.5h
time difference · heading northwest
See live SYO→THR fares Phone-only fares on this route — call free
Flight time details
4,665 miles nonstop takes roughly 9h 37m gate to gate, flying northwest. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 5.5-hour time set-back when reading arrival times on your ticket.
The two airports
- SYO — Shonai Airport · Shonai, Japan
- THR — Mehrabad International Airport · Teheran, Iran
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 SYO
- GAJ · Yamagata Airport42 mi away
- AXT · Akita Airport60 mi away
- KIJ · Niigata Airport69 mi away
- SDJ · Sendai Airport77 mi away
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
Frequently asked questions
How far is SYO from THR?
The flight distance from Shonai (SYO) to Teheran (THR) is 4,665 miles (7,507 km, 4,053 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from SYO to THR?
A nonstop flight takes about 9h 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 Shonai and Teheran?
Teheran is 5.5 hours behind Shonai.
What is the cheapest way to fly from SYO to THR?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on SYO–THR that never appear on search engines, with no booking fees.