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OKO to HEM: distance & flight time
Yokota (Yokota Air Base) → Helsinki (Helsinki Malmi Airport)
4,839 mi
7,787 km · 4,205 nm
9h 57m
estimated nonstop flight time
-6h
time difference · heading northwest
See live OKO→HEM fares Phone-only fares on this route — call free
Flight time details
4,839 miles nonstop takes roughly 9h 57m gate to gate, flying northwest. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 6-hour time set-back when reading arrival times on your ticket.
The two airports
- OKO — Yokota Air Base · Yokota, Japan
- HEM — Helsinki Malmi Airport · Helsinki, Finland
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 HEM
- HEL · Helsinki Vantaa Airport5 mi away
- HYV · Hyvinkää Airfield28 mi away
- TLL · Lennart Meri Tallinn Airport59 mi away
- QLF · Lahti Vesivehmaa Airport65 mi away
Frequently asked questions
How far is OKO from HEM?
The flight distance from Yokota (OKO) to Helsinki (HEM) is 4,839 miles (7,787 km, 4,205 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from OKO to HEM?
A nonstop flight takes about 9h 57m 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 OKO to HEM?
Nonstop service on OKO–HEM 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 57m nonstop estimate.
What is the time difference between Yokota and Helsinki?
Helsinki is 6 hours behind Yokota.
What is the cheapest way to fly from OKO to HEM?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on OKO–HEM that never appear on search engines, with no booking fees.
Why are some OKO to HEM fares phone-only?
Consolidator contracts let us sell certain OKO–HEM 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.