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OKO to ASE: distance & flight time
Yokota (Yokota Air Base) → Aspen (Aspen-Pitkin Co/Sardy Field)
5,759 mi
9,268 km · 5,004 nm
11h 45m
estimated nonstop flight time
-15h
time difference · heading northeast
See live OKO→ASE fares Phone-only fares on this route — call free
Flight time details
5,759 miles nonstop takes roughly 11h 45m gate to gate, flying northeast. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 15-hour time set-back when reading arrival times on your ticket.
The two airports
- OKO — Yokota Air Base · Yokota, Japan
- ASE — Aspen-Pitkin Co/Sardy Field · Aspen, 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 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
Frequently asked questions
How far is OKO from ASE?
The flight distance from Yokota (OKO) to Aspen (ASE) 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 OKO to ASE?
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 Yokota and Aspen?
Aspen is 15 hours behind Yokota.
What is the cheapest way to fly from OKO to ASE?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on OKO–ASE that never appear on search engines, with no booking fees.