Distance From San Marcos Regional Airport to Ottawa Macdonald-Cartier International Airport

The distance from San Marcos Regional Airport () to Ottawa Macdonald-Cartier International Airport (YOW) is 1607 miles or 2586 kilometers or 1395 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 San Marcos ( United States ) to Ottawa ( Canada )?

A one-way nonstop (direct) flight between San Marcos and Ottawa takes around 3 hours 41 minutes.

Estimated flight time from San Marcos Regional Airport, San Marcos, United States to Ottawa Macdonald-Cartier International Airport, Ottawa, Canada is 3 hours 41 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		2586 km
Statute Miles		1607 miles
Nautical Miles		1395 nm
Avg. Time of Flight		3 hours 41 minutes

San Marcos Regional Airport to Ottawa Macdonald-Cartier International Airport Flight Route Map - to YOW Flight Path

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

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

Nonstop flight route between San Marcos, United States and Ottawa, Canada.

Time Difference Between the Airports • - YOW

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

Location	Local Time
San Marcos (United States)	2026-06-19, 23:17:30 MDT
Ottawa (Canada)	2026-06-20, 01:17:30 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

San Marcos Regional Airport ( / KHYI) San Marcos, United States

Destination

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