Distance From Corisco International Airport to Ontario International Airport, OCS - ONT Distance

The distance from Corisco International Airport (OCS) to Ontario International Airport (ONT) is 8240 miles or 13261 kilometers or 7156 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 Corisco Island ( Equatorial Guinea ) to Ontario ( United States )?

A one-way nonstop (direct) flight between Corisco Island and Ontario takes around 18 hours 56 minutes.

Estimated flight time from Corisco International Airport, Corisco Island, Equatorial Guinea to Ontario International Airport, Ontario, United States is 18 hours 56 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 • OCS - ONT

Kilometers		13261 km
Statute Miles		8240 miles
Nautical Miles		7156 nm
Avg. Time of Flight		18 hours 56 minutes

Corisco International Airport to Ontario International Airport Flight Route Map - OCS to ONT Flight Path

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

Click to see flight route on Google Map between Corisco Island, Equatorial Guinea and Ontario, United States. .

Nonstop flight route between Corisco Island, Equatorial Guinea and Ontario, United States.

Time Difference Between the Airports • OCS - ONT

Time difference between Corisco Island (Equatorial Guinea) and Ontario (United States) is 9 Hours.
Ontario time is 9 Hours behind Corisco Island.

Location	Local Time
Corisco Island (Equatorial Guinea)	2025-12-18, 04:28:09 WAT
Ontario (United States)	2025-12-17, 19:28:09 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

Corisco International Airport (OCS / FGCO) Corisco Island, Equatorial Guinea

Destination

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