Distance From Posmasburg Soil Airport to Ontario International Airport

The distance from Posmasburg Soil Airport () to Ontario International Airport (ONT) is 10094 miles or 16245 kilometers or 8766 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 Postmasburg ( South Africa ) to Ontario ( United States )?

A one-way nonstop (direct) flight between Postmasburg and Ontario takes around 23 hours 12 minutes.

Estimated flight time from Posmasburg Soil Airport, Postmasburg, South Africa to Ontario International Airport, Ontario, United States is 23 hours 12 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		16245 km
Statute Miles		10094 miles
Nautical Miles		8766 nm
Avg. Time of Flight		23 hours 12 minutes

Posmasburg Soil Airport to Ontario International Airport Flight Route Map - to ONT Flight Path

Location of Posmasburg Soil Airport & Ontario International Airport is given below.
Click the map to view Postmasburg to Ontario nonstop flight path and travel direction.

Click to see flight route on Google Map between Postmasburg, South Africa and Ontario, United States. .

Nonstop flight route between Postmasburg, South Africa and Ontario, United States.

Time Difference Between the Airports • - ONT

Time difference between Postmasburg (South Africa) and Ontario (United States) is 10 Hours.
Ontario time is 10 Hours behind Postmasburg.

Location	Local Time
Postmasburg (South Africa)	2026-02-07, 09:31:47 SAST
Ontario (United States)	2026-02-06, 23:31:47 PST

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

Posmasburg Soil Airport ( / FAPT) Postmasburg, South Africa

Destination

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