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GNI to ONT: distance & flight time
Green Island (Lyudao Airport) → Ontario (Ontario International Airport)
6,923 mi
11,142 km · 6,016 nm
14h 2m
estimated nonstop flight time
-15h
time difference · heading northeast
See live GNI→ONT fares Phone-only fares on this route — call free
Flight time details
6,923 miles nonstop takes roughly 14h 2m gate to gate, flying northeast. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 15-hour time set-back when reading arrival times on your ticket.
The two airports
- GNI — Lyudao Airport · Green Island, Taiwan
- 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 GNI
- TTT · Taitung Airport24 mi away
- KYD · Lanyu Airport45 mi away
- PIF · Pingtung North Airport63 mi away
- HCN · Hengchun Airport64 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 GNI from ONT?
The flight distance from Green Island (GNI) to Ontario (ONT) is 6,923 miles (11,142 km, 6,016 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from GNI to ONT?
A nonstop flight takes about 14h 2m 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 Green Island and Ontario?
Ontario is 15 hours behind Green Island.
What is the cheapest way to fly from GNI to ONT?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on GNI–ONT that never appear on search engines, with no booking fees.