Need help booking?
Unpublished phone-only deals available
OKO to IKA: distance & flight time
Yokota (Yokota Air Base) → Tehran (Imam Khomeini International Airport)
4,763 mi
7,665 km · 4,139 nm
9h 48m
estimated nonstop flight time
-5.5h
time difference · heading northwest
See live OKO→IKA fares Phone-only fares on this route — call free
Flight time details
4,763 miles nonstop takes roughly 9h 48m 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
- OKO — Yokota Air Base · Yokota, Japan
- IKA — Imam Khomeini International Airport · Tehran, 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 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
Near IKA
- THR · Mehrabad International Airport21 mi away
- PYK · Payam International Airport31 mi away
- GZW · Qazvin Airport84 mi away
- NSH · Noshahr Airport88 mi away
Frequently asked questions
How far is OKO from IKA?
The flight distance from Yokota (OKO) to Tehran (IKA) is 4,763 miles (7,665 km, 4,139 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from OKO to IKA?
A nonstop flight takes about 9h 48m 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 Yokota and Tehran?
Tehran is 5.5 hours behind Yokota.
What is the cheapest way to fly from OKO to IKA?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on OKO–IKA that never appear on search engines, with no booking fees.