Distance From Silves Airport to Ontario International Airport

The distance from Silves Airport () to Ontario International Airport (ONT) is 4617 miles or 7429 kilometers or 4009 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 Silves ( Brazil ) to Ontario ( United States )?

A one-way nonstop (direct) flight between Silves and Ontario takes around 10 hours 36 minutes.

Estimated flight time from Silves Airport, Silves, Brazil to Ontario International Airport, Ontario, United States is 10 hours 36 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		7429 km
Statute Miles		4617 miles
Nautical Miles		4009 nm
Avg. Time of Flight		10 hours 36 minutes

Silves Airport to Ontario International Airport Flight Route Map - to ONT Flight Path

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

Click to see flight route on Google Map between Silves, Brazil and Ontario, United States. .

Nonstop flight route between Silves, Brazil and Ontario, United States.

Time Difference Between the Airports • - ONT

Time difference between Silves (Brazil) and Ontario (United States) is 3 Hours.
Ontario time is 3 Hours behind Silves.

Location	Local Time
Silves (Brazil)	2026-09-12, 22:31:34 -04
Ontario (United States)	2026-09-12, 19:31:34 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

Silves Airport ( / ) Silves, Brazil

Destination

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