Distance From Williams Harbour Airport to Ontario International Airport, YWM - ONT Distance

The distance from Williams Harbour Airport (YWM) to Ontario International Airport (ONT) is 3245 miles or 5222 kilometers or 2818 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 Williams Harbour ( Canada ) to Ontario ( United States )?

A one-way nonstop (direct) flight between Williams Harbour and Ontario takes around 7 hours 27 minutes.

Estimated flight time from Williams Harbour Airport, Williams Harbour, Canada to Ontario International Airport, Ontario, United States is 7 hours 27 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 • YWM - ONT

Kilometers		5222 km
Statute Miles		3245 miles
Nautical Miles		2818 nm
Avg. Time of Flight		7 hours 27 minutes

Williams Harbour Airport to Ontario International Airport Flight Route Map - YWM to ONT Flight Path

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

Click to see flight route on Google Map between Williams Harbour, Canada and Ontario, United States. .

Nonstop flight route between Williams Harbour, Canada and Ontario, United States.

Time Difference Between the Airports • YWM - ONT

Time difference between Williams Harbour (Canada) and Ontario (United States) is 4 Hours.
Ontario time is 4 Hours behind Williams Harbour.

Location	Local Time
Williams Harbour (Canada)	2025-12-14, 23:05:12 AST
Ontario (United States)	2025-12-14, 19:05:12 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

Williams Harbour Airport (YWM / CCA6) Williams Harbour, Canada

Destination

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