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KIX to WBU: distance & flight time
Osaka (Kansai International Airport) → Boulder (Boulder Municipal Airport)
6,011 mi
9,673 km · 5,223 nm
12h 15m
estimated nonstop flight time
-15h
time difference · heading northeast
See live KIX→WBU fares Phone-only fares on this route — call free
Flight time details
6,011 miles nonstop takes roughly 12h 15m 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
- KIX — Kansai International Airport · Osaka, Japan
- WBU — Boulder Municipal Airport · Boulder, 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 KIX
- UKB · Kobe Airport14 mi away
- ITM · Osaka International Airport27 mi away
- TKS · Tokushima Airport/JMSDF Air Base42 mi away
- SHM · Nanki Shirahama Airport53 mi away
Near WBU
- DEN · Denver International Airport32 mi away
- BJC · Rocky Mountain Metropolitan Airport11 mi away
- FNL · Northern Colorado Regional Airport31 mi away
- BFK · Buckley Air Force Base34 mi away
Frequently asked questions
How far is KIX from WBU?
The flight distance from Osaka (KIX) to Boulder (WBU) is 6,011 miles (9,673 km, 5,223 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from KIX to WBU?
A nonstop flight takes about 12h 15m 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 Osaka and Boulder?
Boulder is 15 hours behind Osaka.
What is the cheapest way to fly from KIX to WBU?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on KIX–WBU that never appear on search engines, with no booking fees.