Distance From Altisurface du Glacier Lombard to Ontario International Airport

The distance from Altisurface du Glacier Lombard () to Ontario International Airport (ONT) is 5940 miles or 9559 kilometers or 5158 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 La Grave ( France ) to Ontario ( United States )?

A one-way nonstop (direct) flight between La Grave and Ontario takes around 13 hours 39 minutes.

Estimated flight time from Altisurface du Glacier Lombard, La Grave, France to Ontario International Airport, Ontario, United States is 13 hours 39 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		9559 km
Statute Miles		5940 miles
Nautical Miles		5158 nm
Avg. Time of Flight		13 hours 39 minutes

Altisurface du Glacier Lombard to Ontario International Airport Flight Route Map - to ONT Flight Path

Location of Altisurface du Glacier Lombard & Ontario International Airport is given below.
Click the map to view La Grave to Ontario nonstop flight path and travel direction.

Click to see flight route on Google Map between La Grave, France and Ontario, United States. .

Nonstop flight route between La Grave, France and Ontario, United States.

Time Difference Between the Airports • - ONT

Time difference between La Grave (France) and Ontario (United States) is 8 Hours.
Ontario time is 8 Hours behind La Grave.

Location	Local Time
La Grave (France)	2026-03-20, 04:24:01 CET
Ontario (United States)	2026-03-19, 20:24:01 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

Altisurface du Glacier Lombard ( / ) La Grave, France

Destination

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