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KUM to ASE: distance & flight time
Yakushima (Yakushima Airport) → Aspen (Aspen-Pitkin Co/Sardy Field)
6,373 mi
10,256 km · 5,538 nm
12h 58m
estimated nonstop flight time
-15h
time difference · heading northeast
See live KUM→ASE fares Phone-only fares on this route — call free
Flight time details
6,373 miles nonstop takes roughly 12h 58m 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
- KUM — Yakushima Airport · Yakushima, 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 KUM
- TNE · New Tanegashima Airport25 mi away
- KOJ · Kagoshima Airport98 mi away
- KMI · Miyazaki Airport113 mi away
- ASJ · Amami Airport147 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 KUM from ASE?
The flight distance from Yakushima (KUM) to Aspen (ASE) is 6,373 miles (10,256 km, 5,538 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from KUM to ASE?
A nonstop flight takes about 12h 58m 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 Yakushima and Aspen?
Aspen is 15 hours behind Yakushima.
What is the cheapest way to fly from KUM to ASE?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on KUM–ASE that never appear on search engines, with no booking fees.