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THR to OKO: distance & flight time
Teheran (Mehrabad International Airport) → Yokota (Yokota Air Base)
4,746 mi
7,638 km · 4,124 nm
9h 46m
estimated nonstop flight time
+5.5h
time difference · heading northeast
See live THR→OKO fares Phone-only fares on this route — call free
Flight time details
4,746 miles nonstop takes roughly 9h 46m 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
- OKO — Yokota Air Base · Yokota, 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 OKO
- HND · Tokyo Haneda International Airport28 mi away
- NRT · Narita International Airport58 mi away
- NJA · Atsugi Naval Air Facility21 mi away
- IBR · Hyakuri Airport67 mi away
Frequently asked questions
How far is THR from OKO?
The flight distance from Teheran (THR) to Yokota (OKO) is 4,746 miles (7,638 km, 4,124 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from THR to OKO?
A nonstop flight takes about 9h 46m 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 Yokota?
Yokota is 5.5 hours ahead of Teheran.
What is the cheapest way to fly from THR to OKO?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on THR–OKO that never appear on search engines, with no booking fees.