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ASE to ITM: distance & flight time
Aspen (Aspen-Pitkin Co/Sardy Field) → Osaka (Osaka International Airport)
5,961 mi
9,593 km · 5,180 nm
12h 9m
estimated nonstop flight time
+15h
time difference · heading northwest
See live ASE→ITM fares Phone-only fares on this route — call free
Flight time details
5,961 miles nonstop takes roughly 12h 9m 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
- ITM — Osaka International Airport · Osaka, 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 ITM
- UKB · Kobe Airport16 mi away
- KIX · Kansai International Airport27 mi away
- TJH · Tajima Airport62 mi away
- TKS · Tokushima Airport/JMSDF Air Base65 mi away
Frequently asked questions
How far is ASE from ITM?
The flight distance from Aspen (ASE) to Osaka (ITM) is 5,961 miles (9,593 km, 5,180 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from ASE to ITM?
A nonstop flight takes about 12h 9m 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 Osaka?
Osaka is 15 hours ahead of Aspen.
What is the cheapest way to fly from ASE to ITM?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on ASE–ITM that never appear on search engines, with no booking fees.