Distance From St Thomas Municipal Airport to Ottawa Macdonald-Cartier International Airport, YQS - YOW Distance

The distance from St Thomas Municipal Airport (YQS) to Ottawa Macdonald-Cartier International Airport (YOW) is 323 miles or 520 kilometers or 281 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 St Thomas ( Canada ) to Ottawa ( Canada )?

A one-way nonstop (direct) flight between St Thomas and Ottawa takes around 0 hours 44 minutes.

Estimated flight time from St Thomas Municipal Airport, St Thomas, Canada to Ottawa Macdonald-Cartier International Airport, Ottawa, Canada is 0 hours 44 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 • YQS - YOW

Kilometers		520 km
Statute Miles		323 miles
Nautical Miles		281 nm
Avg. Time of Flight		0 hours 44 minutes

St Thomas Municipal Airport to Ottawa Macdonald-Cartier International Airport Flight Route Map - YQS to YOW Flight Path

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

Click to see flight route on Google Map between St Thomas, Canada and Ottawa, Canada. .

Nonstop flight route between St Thomas, Canada and Ottawa, Canada.

Time Difference Between the Airports • YQS - YOW

Time difference between St Thomas (Canada) and Ottawa (Canada) is 0 Hours.

Location	Local Time
St Thomas (Canada)	2026-04-28, 19:31:44 EDT
Ottawa (Canada)	2026-04-28, 19:31:44 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

St Thomas Municipal Airport (YQS / CYQS) St Thomas, Canada

Destination

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