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NMS to ONT: distance & flight time

Namsang (Namsang Airport) → Ontario (Ontario International Airport)

7,986 mi
12,852 km · 6,939 nm
16h 7m
estimated nonstop flight time
-13.5h
time difference · heading northeast
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Flight time details

7,986 miles nonstop takes roughly 16h 7m gate to gate, flying northeast. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 13.5-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 NMS from ONT?

The flight distance from Namsang (NMS) to Ontario (ONT) is 7,986 miles (12,852 km, 6,939 nautical miles), measured along the great-circle route airlines actually fly.

How long is the flight from NMS to ONT?

A nonstop flight takes about 16h 7m 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 Namsang and Ontario?

Ontario is 13.5 hours behind Namsang.

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

Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on NMS–ONT that never appear on search engines, with no booking fees.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