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ASE to OKO: distance & flight time
Aspen (Aspen-Pitkin Co/Sardy Field) → Yokota (Yokota Air Base)
5,759 mi
9,268 km · 5,004 nm
11h 45m
estimated nonstop flight time
+15h
time difference · heading northwest
See live ASE→OKO fares Phone-only fares on this route — call free
Flight time details
5,759 miles nonstop takes roughly 11h 45m gate to gate, flying northwest. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 15-hour time gain when reading arrival times on your ticket.
The two airports
- ASE — Aspen-Pitkin Co/Sardy Field · Aspen, 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 ASE
- EGE · Eagle County Regional Airport29 mi away
- GUC · Gunnison Crested Butte Regional Airport48 mi away
- RIL · Garfield County Regional Airport50 mi away
- MTJ · Montrose Regional Airport74 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 ASE from OKO?
The flight distance from Aspen (ASE) to Yokota (OKO) is 5,759 miles (9,268 km, 5,004 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from ASE to OKO?
A nonstop flight takes about 11h 45m 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 Aspen and Yokota?
Yokota is 15 hours ahead of Aspen.
What is the cheapest way to fly from ASE to OKO?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on ASE–OKO that never appear on search engines, with no booking fees.