Distance From Defiance Memorial Airport to Ottawa Macdonald-Cartier International Airport, DFI - YOW Distance

The distance from Defiance Memorial Airport (DFI) to Ottawa Macdonald-Cartier International Airport (YOW) is 519 miles or 835 kilometers or 451 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 Defiance ( United States ) to Ottawa ( Canada )?

A one-way nonstop (direct) flight between Defiance and Ottawa takes around 1 hours 11 minutes.

Estimated flight time from Defiance Memorial Airport, Defiance, United States to Ottawa Macdonald-Cartier International Airport, Ottawa, Canada is 1 hours 11 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 • DFI - YOW

Kilometers		835 km
Statute Miles		519 miles
Nautical Miles		451 nm
Avg. Time of Flight		1 hours 11 minutes

Defiance Memorial Airport to Ottawa Macdonald-Cartier International Airport Flight Route Map - DFI to YOW Flight Path

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

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

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

Time Difference Between the Airports • DFI - YOW

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

Location	Local Time
Defiance (United States)	2026-06-20, 02:16:09 EDT
Ottawa (Canada)	2026-06-20, 02:16:09 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

Defiance Memorial Airport (DFI / KDFI) Defiance, United States

Destination

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