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ONT to CMJ: distance & flight time
Ontario (Ontario International Airport) → Cimei (Chi Mei Airport)
6,990 mi
11,250 km · 6,074 nm
14h 10m
estimated nonstop flight time
+15h
time difference · heading northwest
See live ONT→CMJ fares Phone-only fares on this route — call free
Flight time details
6,990 miles nonstop takes roughly 14h 10m gate to gate, flying northwest. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 15-hour time gain when reading arrival times on your ticket.
The two airports
- ONT — Ontario International Airport · Ontario, United States
- CMJ — Chi Mei Airport · Cimei, Taiwan
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 CMJ
- WOT · Wang-an Airport12 mi away
- MZG · Makung Airport28 mi away
- TNN · Tainan Airport53 mi away
- CYI · Chiayi Airport64 mi away
Frequently asked questions
How far is ONT from CMJ?
The flight distance from Ontario (ONT) to Cimei (CMJ) is 6,990 miles (11,250 km, 6,074 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from ONT to CMJ?
A nonstop flight takes about 14h 10m 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 Cimei?
Cimei is 15 hours ahead of Ontario.
What is the cheapest way to fly from ONT to CMJ?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on ONT–CMJ that never appear on search engines, with no booking fees.