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UGN to OIM: distance & flight time
Chicago (Waukegan National Airport) → Oshima (Oshima Airport)
6,325 mi
10,179 km · 5,496 nm
12h 52m
estimated nonstop flight time
+14h
time difference · heading northwest
See live UGN→OIM fares Phone-only fares on this route — call free
Flight time details
6,325 miles nonstop takes roughly 12h 52m 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
- OIM — Oshima Airport · Oshima, 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 OIM
- HND · Tokyo Haneda International Airport58 mi away
- NJA · Atsugi Naval Air Facility47 mi away
- NRT · Narita International Airport89 mi away
- MYE · Miyakejima Airport50 mi away
Frequently asked questions
How far is UGN from OIM?
The flight distance from Chicago (UGN) to Oshima (OIM) is 6,325 miles (10,179 km, 5,496 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from UGN to OIM?
A nonstop flight takes about 12h 52m 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 Oshima?
Oshima is 14 hours ahead of Chicago.
What is the cheapest way to fly from UGN to OIM?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on UGN–OIM that never appear on search engines, with no booking fees.