Distance From Graaff Reinet Airport to Ontario International Airport

The distance from Graaff Reinet Airport () to Ontario International Airport (ONT) is 10255 miles or 16503 kilometers or 8905 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 Graaff-Reinet ( South Africa ) to Ontario ( United States )?

A one-way nonstop (direct) flight between Graaff-Reinet and Ontario takes around 23 hours 34 minutes.

Estimated flight time from Graaff Reinet Airport, Graaff-Reinet, South Africa to Ontario International Airport, Ontario, United States is 23 hours 34 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		16503 km
Statute Miles		10255 miles
Nautical Miles		8905 nm
Avg. Time of Flight		23 hours 34 minutes

Graaff Reinet Airport to Ontario International Airport Flight Route Map - to ONT Flight Path

Location of Graaff Reinet Airport & Ontario International Airport is given below.
Click the map to view Graaff-Reinet to Ontario nonstop flight path and travel direction.

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

Nonstop flight route between Graaff-Reinet, South Africa and Ontario, United States.

Time Difference Between the Airports • - ONT

Time difference between Graaff-Reinet (South Africa) and Ontario (United States) is 9 Hours.
Ontario time is 9 Hours behind Graaff-Reinet.

Location	Local Time
Graaff-Reinet (South Africa)	2026-10-27, 06:28:15 SAST
Ontario (United States)	2026-10-26, 21:28:15 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

Graaff Reinet Airport ( / FAGR) Graaff-Reinet, South Africa

Destination

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