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OIT to ONT: distance & flight time
Oita (Oita Airport) → Ontario (Ontario International Airport)
5,961 mi
9,593 km · 5,180 nm
12h 9m
estimated nonstop flight time
-16h
time difference · heading northeast
See live OIT→ONT fares Phone-only fares on this route — call free
Flight time details
5,961 miles nonstop takes roughly 12h 9m gate to gate, flying northeast. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 16-hour time set-back when reading arrival times on your ticket.
The two airports
- OIT — Oita Airport · Oita, Japan
- ONT — Ontario International Airport · Ontario, 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 OIT
- UBJ · Yamaguchi Ube Airport41 mi away
- KKJ · Kitakyūshū Airport48 mi away
- IWK · Iwakuni Marine Corps Air Station54 mi away
- MYJ · Matsuyama Airport60 mi away
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
Frequently asked questions
How far is OIT from ONT?
The flight distance from Oita (OIT) to Ontario (ONT) is 5,961 miles (9,593 km, 5,180 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from OIT to ONT?
A nonstop flight takes about 12h 9m 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 Oita and Ontario?
Ontario is 16 hours behind Oita.
What is the cheapest way to fly from OIT to ONT?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on OIT–ONT that never appear on search engines, with no booking fees.