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CMI to OKO: distance & flight time
Champaign (University of Illinois Willard Airport) → Yokota (Yokota Air Base)
6,388 mi
10,281 km · 5,551 nm
13h
estimated nonstop flight time
+14h
time difference · heading northwest
See live CMI→OKO fares Phone-only fares on this route — call free
Flight time details
6,388 miles nonstop takes roughly 13h gate to gate, flying northwest. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 14-hour time gain when reading arrival times on your ticket.
The two airports
- CMI — University of Illinois Willard Airport · Champaign, United States
- OKO — Yokota Air Base · Yokota, Japan
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 CMI
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
Frequently asked questions
How far is CMI from OKO?
The flight distance from Champaign (CMI) to Yokota (OKO) is 6,388 miles (10,281 km, 5,551 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from CMI to OKO?
A nonstop flight takes about 13h 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 Champaign and Yokota?
Yokota is 14 hours ahead of Champaign.
What is the cheapest way to fly from CMI to OKO?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on CMI–OKO that never appear on search engines, with no booking fees.