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CJM to ONT: distance & flight time

Chumphon (Chumphon Airport) → Ontario (Ontario International Airport)

8,507 mi
13,690 km · 7,392 nm
17h 9m
estimated nonstop flight time
-14h
time difference · heading northeast
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Flight time details

8,507 miles nonstop takes roughly 17h 9m gate to gate, flying northeast. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 14-hour time set-back when reading arrival times on your ticket.

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The two airports

Distances are great-circle ("as the crow flies") — the same basis airlines use for frequent-flyer miles.

Alternate airports can cut this fare

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Frequently asked questions

How far is CJM from ONT?

The flight distance from Chumphon (CJM) to Ontario (ONT) is 8,507 miles (13,690 km, 7,392 nautical miles), measured along the great-circle route airlines actually fly.

How long is the flight from CJM to ONT?

A nonstop flight takes about 17h 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 Chumphon and Ontario?

Ontario is 14 hours behind Chumphon.

What is the cheapest way to fly from CJM to ONT?

Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on CJM–ONT that never appear on search engines, with no booking fees.
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