Distance From Isle of Man Airport to Ontario International Airport, IOM - ONT Distance

The distance from Isle of Man Airport (IOM) to Ontario International Airport (ONT) is 5162 miles or 8307 kilometers or 4483 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 Castletown ( Isle of Man ) to Ontario ( United States )?

A one-way nonstop (direct) flight between Castletown and Ontario takes around 11 hours 52 minutes.

Estimated flight time from Isle of Man Airport, Castletown, Isle of Man to Ontario International Airport, Ontario, United States is 11 hours 52 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 • IOM - ONT

Kilometers		8307 km
Statute Miles		5162 miles
Nautical Miles		4483 nm
Avg. Time of Flight		11 hours 52 minutes

Isle of Man Airport to Ontario International Airport Flight Route Map - IOM to ONT Flight Path

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

Click to see flight route on Google Map between Castletown, Isle of Man and Ontario, United States. .

Nonstop flight route between Castletown, Isle of Man and Ontario, United States.

Time Difference Between the Airports • IOM - ONT

Time difference between Castletown (Isle of Man) and Ontario (United States) is 8 Hours.
Ontario time is 8 Hours behind Castletown.

Location	Local Time
Castletown (Isle of Man)	2025-12-15, 19:56:24 GMT
Ontario (United States)	2025-12-15, 11:56:24 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

Isle of Man Airport (IOM / EGNS) Castletown, Isle of Man

Destination

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