Distance From Mountaindale Airport to Ontario International Airport

The distance from Mountaindale Airport () to Ontario International Airport (ONT) is 849 miles or 1367 kilometers or 738 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.

---

How long does it take to travel from Mountaindale ( United States ) to Ontario ( United States )?

A one-way nonstop (direct) flight between Mountaindale and Ontario takes around 1 hours 57 minutes.

Estimated flight time from Mountaindale Airport, Mountaindale, United States to Ontario International Airport, Ontario, United States is 1 hours 57 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		1367 km
Statute Miles		849 miles
Nautical Miles		738 nm
Avg. Time of Flight		1 hours 57 minutes

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

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

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

Nonstop flight route between Mountaindale, United States and Ontario, United States.

Time Difference Between the Airports • - ONT

Time difference between Mountaindale (United States) and Ontario (United States) is 1 Hours.
Ontario time is 1 Hours behind Mountaindale.

Location	Local Time
Mountaindale (United States)	2025-12-16, 00:38:58 MST
Ontario (United States)	2025-12-15, 23:38:58 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

Mountaindale Airport ( / 63OR) Mountaindale, United States

Destination

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