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IBR to WBU: distance & flight time
Ibaraki (Hyakuri Airport) → Boulder (Boulder Municipal Airport)
5,723 mi
9,210 km · 4,973 nm
11h 41m
estimated nonstop flight time
-15h
time difference · heading northeast
See live IBR→WBU fares Phone-only fares on this route — call free
Flight time details
5,723 miles nonstop takes roughly 11h 41m 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
- IBR — Hyakuri Airport · Ibaraki, 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 IBR
- NRT · Narita International Airport29 mi away
- HND · Tokyo Haneda International Airport56 mi away
- OKO · Yokota Air Base67 mi away
- FKS · Fukushima Airport72 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 IBR from WBU?
The flight distance from Ibaraki (IBR) to Boulder (WBU) is 5,723 miles (9,210 km, 4,973 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from IBR to WBU?
A nonstop flight takes about 11h 41m 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 Ibaraki and Boulder?
Boulder is 15 hours behind Ibaraki.
What is the cheapest way to fly from IBR to WBU?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on IBR–WBU that never appear on search engines, with no booking fees.