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OKO to WBU: distance & flight time
Yokota (Yokota Air Base) → Boulder (Boulder Municipal Airport)
5,786 mi
9,311 km · 5,028 nm
11h 49m
estimated nonstop flight time
-15h
time difference · heading northeast
See live OKO→WBU fares Phone-only fares on this route — call free
Flight time details
5,786 miles nonstop takes roughly 11h 49m 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
- OKO — Yokota Air Base · Yokota, 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 OKO
- HND · Tokyo Haneda International Airport28 mi away
- NRT · Narita International Airport58 mi away
- NJA · Atsugi Naval Air Facility21 mi away
- IBR · Hyakuri Airport67 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 OKO from WBU?
The flight distance from Yokota (OKO) to Boulder (WBU) is 5,786 miles (9,311 km, 5,028 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from OKO to WBU?
A nonstop flight takes about 11h 49m 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 Yokota and Boulder?
Boulder is 15 hours behind Yokota.
What is the cheapest way to fly from OKO to WBU?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on OKO–WBU that never appear on search engines, with no booking fees.