Distance From Pukchang Air Base to Ontario International Airport

The distance from Pukchang Air Base () to Ontario International Airport (ONT) is 5935 miles or 9551 kilometers or 5154 nautical miles.

The distance shown below is direct flight distance between airports. Straight-line distance does not account for the surface between the two points. It is the distance a bird or airplane would travel between the two points when flying above the surface. The straight line distance is the direct route between two points, regardless of whether or not there are roads that connect them.

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How long does it take to travel from Sunchon ( North Korea ) to Ontario ( United States )?

A one-way nonstop (direct) flight between Sunchon and Ontario takes around 13 hours 38 minutes.

Estimated flight time from Pukchang Air Base, Sunchon, North Korea to Ontario International Airport, Ontario, United States is 13 hours 38 minutes under avarage conditions. Your actual flying time may vary depending on wind direction/speed or weather conditions. This calculation does not include the departure and landing times of the aircraft. In addition, it does not cover the person identity check, ticket check-in and baggage collection times at the airport.

Travel Distance Between the Airports • - ONT

Kilometers		9551 km
Statute Miles		5935 miles
Nautical Miles		5154 nm
Avg. Time of Flight		13 hours 38 minutes

Pukchang Air Base to Ontario International Airport Flight Route Map - to ONT Flight Path

Location of Pukchang Air Base & Ontario International Airport is given below.
Click the map to view Sunchon to Ontario nonstop flight path and travel direction.

Click to see flight route on Google Map between Sunchon, North Korea and Ontario, United States. .

Nonstop flight route between Sunchon, North Korea and Ontario, United States.

Time Difference Between the Airports • - ONT

Time difference between Sunchon (North Korea) and Ontario (United States) is 16 Hours.
Ontario time is 16 Hours behind Sunchon.

Location	Local Time
Sunchon (North Korea)	2026-08-09, 04:10:41 KST
Ontario (United States)	2026-08-08, 12:10:41 PDT

Why should you arrive 3 hours before international flight? Flyers who are traveling to an international destination should arrive at the airport earlier than domestic flyers. This is because international flights can have additional check-in requirements, like passport verification, that need to be completed before you receive your boarding pass.

Origin

Pukchang Air Base ( / ZKPN) Sunchon, North Korea

Destination

Ontario International Airport (ONT / KONT) Ontario, United States