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GRB to OKO: distance & flight time
Green Bay (Austin Straubel International Airport) → Yokota (Yokota Air Base)
6,147 mi
9,893 km · 5,342 nm
12h 31m
estimated nonstop flight time
+14h
time difference · heading northwest
See live GRB→OKO fares Phone-only fares on this route — call free
Flight time details
6,147 miles nonstop takes roughly 12h 31m gate to gate, flying northwest. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 14-hour time gain when reading arrival times on your ticket.
The two airports
- GRB — Austin Straubel International Airport · Green Bay, 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 GRB
- ATW · Appleton International Airport25 mi away
- OSH · Wittman Regional Airport41 mi away
- MNM · Menominee Regional Airport50 mi away
- SBM · Sheboygan County Memorial Airport51 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 GRB from OKO?
The flight distance from Green Bay (GRB) to Yokota (OKO) is 6,147 miles (9,893 km, 5,342 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from GRB to OKO?
A nonstop flight takes about 12h 31m 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 Green Bay and Yokota?
Yokota is 14 hours ahead of Green Bay.
What is the cheapest way to fly from GRB to OKO?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on GRB–OKO that never appear on search engines, with no booking fees.