Distance From Ten Mile Airport to Ottawa Macdonald-Cartier International Airport

The distance from Ten Mile Airport () to Ottawa Macdonald-Cartier International Airport (YOW) is 1741 miles or 2801 kilometers or 1512 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 Helena ( United States ) to Ottawa ( Canada )?

A one-way nonstop (direct) flight between Helena and Ottawa takes around 4 hours 0 minutes.

Estimated flight time from Ten Mile Airport, Helena, United States to Ottawa Macdonald-Cartier International Airport, Ottawa, Canada is 4 hours 0 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		2801 km
Statute Miles		1741 miles
Nautical Miles		1512 nm
Avg. Time of Flight		4 hours 0 minutes

Ten Mile Airport to Ottawa Macdonald-Cartier International Airport Flight Route Map - to YOW Flight Path

Location of Ten Mile Airport & Ottawa Macdonald-Cartier International Airport is given below.
Click the map to view Helena to Ottawa nonstop flight path and travel direction.

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

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

Time Difference Between the Airports • - YOW

Time difference between Helena (United States) and Ottawa (Canada) is 2 Hours.
Ottawa time is 2 Hours ahead of Helena.

Location	Local Time
Helena (United States)	2026-05-04, 21:20:24 MDT
Ottawa (Canada)	2026-05-04, 23:20:24 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

Ten Mile Airport ( / MT83) Helena, United States

Destination

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