Distance From Catania-Fontanarossa Airport to Ontario International Airport, CTA - ONT Distance

The distance from Catania-Fontanarossa Airport (CTA) to Ontario International Airport (ONT) is 6635 miles or 10678 kilometers or 5762 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 Catania ( Italy ) to Ontario ( United States )?

A one-way nonstop (direct) flight between Catania and Ontario takes around 15 hours 15 minutes.

Estimated flight time from Catania-Fontanarossa Airport, Catania, Italy to Ontario International Airport, Ontario, United States is 15 hours 15 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 • CTA - ONT

Kilometers		10678 km
Statute Miles		6635 miles
Nautical Miles		5762 nm
Avg. Time of Flight		15 hours 15 minutes

Catania-Fontanarossa Airport to Ontario International Airport Flight Route Map - CTA to ONT Flight Path

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

Click to see flight route on Google Map between Catania, Italy and Ontario, United States. .

Nonstop flight route between Catania, Italy and Ontario, United States.

Time Difference Between the Airports • CTA - ONT

Time difference between Catania (Italy) and Ontario (United States) is 9 Hours.
Ontario time is 9 Hours behind Catania.

Location	Local Time
Catania (Italy)	2026-06-20, 07:55:01 CEST
Ontario (United States)	2026-06-19, 22:55:01 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

Catania-Fontanarossa Airport (CTA / LICC) Catania, Italy

Destination

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