Need help booking?
Unpublished phone-only deals available
HEL to OKO: distance & flight time
Helsinki (Helsinki Vantaa Airport) → Yokota (Yokota Air Base)
4,838 mi
7,786 km · 4,204 nm
9h 57m
estimated nonstop flight time
+6h
time difference · heading northeast
See live HEL→OKO fares Phone-only fares on this route — call free
Flight time details
4,838 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
- HEL — Helsinki Vantaa 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 HEL
- HEM · Helsinki Malmi Airport5 mi away
- HYV · Hyvinkää Airfield23 mi away
- QLF · Lahti Vesivehmaa Airport62 mi away
- TLL · Lennart Meri Tallinn Airport63 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 HEL from OKO?
The flight distance from Helsinki (HEL) to Yokota (OKO) is 4,838 miles (7,786 km, 4,204 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from HEL 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.
Are there nonstop flights from HEL to OKO?
Nonstop service on HEL–OKO 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 Helsinki and Yokota?
Yokota is 6 hours ahead of Helsinki.
What is the cheapest way to fly from HEL to OKO?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on HEL–OKO that never appear on search engines, with no booking fees.
Why are some HEL to OKO fares phone-only?
Consolidator contracts let us sell certain HEL–OKO 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.