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HEM to OKO: distance & flight time
Helsinki (Helsinki Malmi Airport) → Yokota (Yokota Air Base)
4,839 mi
7,787 km · 4,205 nm
9h 57m
estimated nonstop flight time
+6h
time difference · heading northeast
See live HEM→OKO fares Phone-only fares on this route — call free
Flight time details
4,839 miles nonstop takes roughly 9h 57m gate to gate, flying northeast. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 6-hour time gain when reading arrival times on your ticket.
The two airports
- HEM — Helsinki Malmi Airport · Helsinki, Finland
- 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 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
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 HEM from OKO?
The flight distance from Helsinki (HEM) to Yokota (OKO) 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 HEM to OKO?
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.
What is the time difference between Helsinki and Yokota?
Yokota is 6 hours ahead of Helsinki.
What is the cheapest way to fly from HEM to OKO?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on HEM–OKO that never appear on search engines, with no booking fees.