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OKO to GRF: distance & flight time
Yokota (Yokota Air Base) → Fort Lewis (Gray Army Air Field)
4,802 mi
7,728 km · 4,173 nm
9h 53m
estimated nonstop flight time
-16h
time difference · heading northeast
See live OKO→GRF fares Phone-only fares on this route — call free
Flight time details
4,802 miles nonstop takes roughly 9h 53m 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
- GRF — Gray Army Air Field · Fort Lewis, 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 GRF
- SEA · Seattle Tacoma International Airport29 mi away
- TCM · McChord Air Force Base6 mi away
- TIW · Tacoma Narrows Airport13 mi away
- OLM · Olympia Regional Airport17 mi away
Frequently asked questions
How far is OKO from GRF?
The flight distance from Yokota (OKO) to Fort Lewis (GRF) is 4,802 miles (7,728 km, 4,173 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from OKO to GRF?
A nonstop flight takes about 9h 53m 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 Fort Lewis?
Fort Lewis is 16 hours behind Yokota.
What is the cheapest way to fly from OKO to GRF?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on OKO–GRF that never appear on search engines, with no booking fees.