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BFI to OKO: distance & flight time
Seattle (Boeing Field King County International Airport) → Yokota (Yokota Air Base)
4,797 mi
7,720 km · 4,169 nm
9h 52m
estimated nonstop flight time
+16h
time difference · heading northwest
See live BFI→OKO fares Phone-only fares on this route — call free
Flight time details
4,797 miles nonstop takes roughly 9h 52m gate to gate, flying northwest. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 16-hour time gain when reading arrival times on your ticket.
The two airports
- BFI — Boeing Field King County International Airport · Seattle, United States
- 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 BFI
- SEA · Seattle Tacoma International Airport6 mi away
- RNT · Renton Municipal Airport5 mi away
- PWT · Bremerton National Airport22 mi away
- TIW · Tacoma Narrows Airport22 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 BFI from OKO?
The flight distance from Seattle (BFI) to Yokota (OKO) is 4,797 miles (7,720 km, 4,169 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from BFI to OKO?
A nonstop flight takes about 9h 52m 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 Seattle and Yokota?
Yokota is 16 hours ahead of Seattle.
What is the cheapest way to fly from BFI to OKO?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on BFI–OKO that never appear on search engines, with no booking fees.