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UGN to OKJ: distance & flight time
Chicago (Waukegan National Airport) → Okayama (Okayama Airport)
6,488 mi
10,442 km · 5,638 nm
13h 11m
estimated nonstop flight time
+14h
time difference · heading northwest
See live UGN→OKJ fares Phone-only fares on this route — call free
Flight time details
6,488 miles nonstop takes roughly 13h 11m 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
- UGN — Waukegan National Airport · Chicago, United States
- OKJ — Okayama Airport · Okayama, 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 UGN
- ORD · Chicago O'Hare International Airport31 mi away
- ENW · Kenosha Regional Airport12 mi away
- PWK · Chicago Executive Airport21 mi away
- RAC · John H Batten Airport24 mi away
Near OKJ
- TAK · Takamatsu Airport39 mi away
- TTJ · Tottori Airport56 mi away
- HIJ · Hiroshima Airport58 mi away
- TKS · Tokushima Airport/JMSDF Air Base61 mi away
Frequently asked questions
How far is UGN from OKJ?
The flight distance from Chicago (UGN) to Okayama (OKJ) is 6,488 miles (10,442 km, 5,638 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from UGN to OKJ?
A nonstop flight takes about 13h 11m 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 Chicago and Okayama?
Okayama is 14 hours ahead of Chicago.
What is the cheapest way to fly from UGN to OKJ?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on UGN–OKJ that never appear on search engines, with no booking fees.