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THR to UBJ: distance & flight time
Teheran (Mehrabad International Airport) → Yamaguchi (Yamaguchi Ube Airport)
4,401 mi
7,083 km · 3,825 nm
9h 6m
estimated nonstop flight time
+5.5h
time difference · heading northeast
See live THR→UBJ fares Phone-only fares on this route — call free
Flight time details
4,401 miles nonstop takes roughly 9h 6m 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
- THR — Mehrabad International Airport · Teheran, Iran
- UBJ — Yamaguchi Ube Airport · Yamaguchi, Japan
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 UBJ
- KKJ · Kitakyūshū Airport15 mi away
- OIT · Oita Airport41 mi away
- FUK · Fukuoka Airport53 mi away
- IWK · Iwakuni Marine Corps Air Station57 mi away
Frequently asked questions
How far is THR from UBJ?
The flight distance from Teheran (THR) to Yamaguchi (UBJ) is 4,401 miles (7,083 km, 3,825 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from THR to UBJ?
A nonstop flight takes about 9h 6m 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 Yamaguchi?
Yamaguchi is 5.5 hours ahead of Teheran.
What is the cheapest way to fly from THR to UBJ?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on THR–UBJ that never appear on search engines, with no booking fees.