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OKO to AST: distance & flight time
Yokota (Yokota Air Base) → Astoria (Astoria Regional Airport)
4,781 mi
7,695 km · 4,155 nm
9h 51m
estimated nonstop flight time
-16h
time difference · heading northeast
See live OKO→AST fares Phone-only fares on this route — call free
Flight time details
4,781 miles nonstop takes roughly 9h 51m 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
- AST — Astoria Regional Airport · Astoria, 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 AST
- KLS · Southwest Washington Regional Airport47 mi away
- OTK · Tillamook Airport51 mi away
- HQM · Bowerman Airport56 mi away
- CLS · Chehalis Centralia Airport56 mi away
Frequently asked questions
How far is OKO from AST?
The flight distance from Yokota (OKO) to Astoria (AST) is 4,781 miles (7,695 km, 4,155 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from OKO to AST?
A nonstop flight takes about 9h 51m 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 Astoria?
Astoria is 16 hours behind Yokota.
What is the cheapest way to fly from OKO to AST?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on OKO–AST that never appear on search engines, with no booking fees.