Need help booking?
Unpublished phone-only deals available
IWJ to WBU: distance & flight time
Iwami (Iwami Airport) → Boulder (Boulder Municipal Airport)
6,126 mi
9,859 km · 5,324 nm
12h 29m
estimated nonstop flight time
-15h
time difference · heading northeast
See live IWJ→WBU fares Phone-only fares on this route — call free
Flight time details
6,126 miles nonstop takes roughly 12h 29m 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
- IWJ — Iwami Airport · Iwami, 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 IWJ
- HIW · Hiroshimanishi Airport41 mi away
- IWK · Iwakuni Marine Corps Air Station45 mi away
- UBJ · Yamaguchi Ube Airport59 mi away
- HIJ · Hiroshima Airport66 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 IWJ from WBU?
The flight distance from Iwami (IWJ) to Boulder (WBU) is 6,126 miles (9,859 km, 5,324 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from IWJ to WBU?
A nonstop flight takes about 12h 29m 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 Iwami and Boulder?
Boulder is 15 hours behind Iwami.
What is the cheapest way to fly from IWJ to WBU?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on IWJ–WBU that never appear on search engines, with no booking fees.