Distance From Schaffen Airfield to Ontario International Airport

The distance from Schaffen Airfield () to Ontario International Airport (ONT) is 5607 miles or 9024 kilometers or 4870 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 Diest ( Belgium ) to Ontario ( United States )?

A one-way nonstop (direct) flight between Diest and Ontario takes around 12 hours 53 minutes.

Estimated flight time from Schaffen Airfield, Diest, Belgium to Ontario International Airport, Ontario, United States is 12 hours 53 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		9024 km
Statute Miles		5607 miles
Nautical Miles		4870 nm
Avg. Time of Flight		12 hours 53 minutes

Schaffen Airfield to Ontario International Airport Flight Route Map - to ONT Flight Path

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

Click to see flight route on Google Map between Diest, Belgium and Ontario, United States. .

Nonstop flight route between Diest, Belgium and Ontario, United States.

Time Difference Between the Airports • - ONT

Time difference between Diest (Belgium) and Ontario (United States) is 9 Hours.
Ontario time is 9 Hours behind Diest.

Location	Local Time
Diest (Belgium)	2026-11-02, 21:17:07 CET
Ontario (United States)	2026-11-02, 12:17:07 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

Schaffen Airfield ( / EBDT) Diest, Belgium

Destination

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