Distance From Mount St Marys Hospital Helipad to Ottawa Macdonald-Cartier International Airport

The distance from Mount St Marys Hospital Helipad () to Ottawa Macdonald-Cartier International Airport (YOW) is 224 miles or 361 kilometers or 195 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 Lewiston ( United States ) to Ottawa ( Canada )?

A one-way nonstop (direct) flight between Lewiston and Ottawa takes around 0 hours 30 minutes.

Estimated flight time from Mount St Marys Hospital Helipad, Lewiston, United States to Ottawa Macdonald-Cartier International Airport, Ottawa, Canada is 0 hours 30 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 • - YOW

Kilometers		361 km
Statute Miles		224 miles
Nautical Miles		195 nm
Avg. Time of Flight		0 hours 30 minutes

Mount St Marys Hospital Helipad to Ottawa Macdonald-Cartier International Airport Flight Route Map - to YOW Flight Path

Location of Mount St Marys Hospital Helipad & Ottawa Macdonald-Cartier International Airport is given below.
Click the map to view Lewiston to Ottawa nonstop flight path and travel direction.

Click to see flight route on Google Map between Lewiston, United States and Ottawa, Canada. .

Nonstop flight route between Lewiston, United States and Ottawa, Canada.

Time Difference Between the Airports • - YOW

Time difference between Lewiston (United States) and Ottawa (Canada) is 0 Hours.

Location	Local Time
Lewiston (United States)	2026-03-22, 02:06:34 EDT
Ottawa (Canada)	2026-03-22, 02:06:34 EDT

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

Mount St Marys Hospital Helipad ( / 5NY3) Lewiston, United States

Destination

Ottawa Macdonald-Cartier International Airport (YOW / CYOW) Ottawa, Canada