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THR to OIR: distance & flight time
Teheran (Mehrabad International Airport) → Okushiri (Okushiri Airport)
4,543 mi
7,311 km · 3,948 nm
9h 22m
estimated nonstop flight time
+5.5h
time difference · heading northeast
See live THR→OIR fares Phone-only fares on this route — call free
Flight time details
4,543 miles nonstop takes roughly 9h 22m 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
- OIR — Okushiri Airport · Okushiri, 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 OIR
- HKD · Hakodate Airport74 mi away
- AOJ · Aomori Airport113 mi away
- OKD · Okadama Airport123 mi away
- CTS · New Chitose Airport125 mi away
Frequently asked questions
How far is THR from OIR?
The flight distance from Teheran (THR) to Okushiri (OIR) is 4,543 miles (7,311 km, 3,948 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from THR to OIR?
A nonstop flight takes about 9h 22m 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 THR to OIR?
Nonstop service on THR–OIR 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 22m nonstop estimate.
What is the time difference between Teheran and Okushiri?
Okushiri is 5.5 hours ahead of Teheran.
What is the cheapest way to fly from THR to OIR?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on THR–OIR that never appear on search engines, with no booking fees.
Why are some THR to OIR fares phone-only?
Consolidator contracts let us sell certain THR–OIR 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.