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ONT to UEO: distance & flight time
Ontario (Ontario International Airport) → Kumejima (Kumejima Airport)
6,508 mi
10,473 km · 5,655 nm
13h 14m
estimated nonstop flight time
+16h
time difference · heading northwest
See live ONT→UEO fares Phone-only fares on this route — call free
Flight time details
6,508 miles nonstop takes roughly 13h 14m gate to gate, flying northwest. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 16-hour time gain when reading arrival times on your ticket.
The two airports
- ONT — Ontario International Airport · Ontario, United States
- UEO — Kumejima Airport · Kumejima, 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 ONT
- CCB · Cable Airport6 mi away
- CNO · Chino Airport6 mi away
- LAX · Los Angeles International Airport47 mi away
- RAL · Riverside Municipal Airport11 mi away
Near UEO
- AGJ · Aguni Airport36 mi away
- KJP · Kerama Airport38 mi away
- OKA · Naha Airport59 mi away
- DNA · Kadena Air Base65 mi away
Frequently asked questions
How far is ONT from UEO?
The flight distance from Ontario (ONT) to Kumejima (UEO) is 6,508 miles (10,473 km, 5,655 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from ONT to UEO?
A nonstop flight takes about 13h 14m 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 Ontario and Kumejima?
Kumejima is 16 hours ahead of Ontario.
What is the cheapest way to fly from ONT to UEO?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on ONT–UEO that never appear on search engines, with no booking fees.