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OKO to BFI: distance & flight time
Yokota (Yokota Air Base) → Seattle (Boeing Field King County International Airport)
4,797 mi
7,720 km · 4,169 nm
9h 52m
estimated nonstop flight time
-16h
time difference · heading northeast
See live OKO→BFI fares Phone-only fares on this route — call free
Flight time details
4,797 miles nonstop takes roughly 9h 52m gate to gate, flying northeast. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 16-hour time set-back when reading arrival times on your ticket.
The two airports
- OKO — Yokota Air Base · Yokota, Japan
- BFI — Boeing Field King County International Airport · Seattle, United States
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 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
Frequently asked questions
How far is OKO from BFI?
The flight distance from Yokota (OKO) to Seattle (BFI) 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 OKO to BFI?
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 Yokota and Seattle?
Seattle is 16 hours behind Yokota.
What is the cheapest way to fly from OKO to BFI?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on OKO–BFI that never appear on search engines, with no booking fees.