Distance From Ottawa / Casselman (Shea Field) to Ronald Reagan Washington National Airport

The distance from Ottawa / Casselman (Shea Field) () to Ronald Reagan Washington National Airport (DCA) is 456 miles or 734 kilometers or 396 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 Ottawa ( Canada ) to Washington ( United States )?

A one-way nonstop (direct) flight between Ottawa and Washington takes around 1 hours 2 minutes.

Estimated flight time from Ottawa / Casselman (Shea Field), Ottawa, Canada to Ronald Reagan Washington National Airport, Washington, United States is 1 hours 2 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 • - DCA

Kilometers		734 km
Statute Miles		456 miles
Nautical Miles		396 nm
Avg. Time of Flight		1 hours 2 minutes

Ottawa / Casselman (Shea Field) to Ronald Reagan Washington National Airport Flight Route Map - to DCA Flight Path

Location of Ottawa / Casselman (Shea Field) & Ronald Reagan Washington National Airport is given below.
Click the map to view Ottawa to Washington nonstop flight path and travel direction.

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

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

Time Difference Between the Airports • - DCA

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

Location	Local Time
Ottawa (Canada)	2026-08-08, 02:28:08 EDT
Washington (United States)	2026-08-08, 02:28:08 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

Ottawa / Casselman (Shea Field) ( / CSF7) Ottawa, Canada

Destination

Ronald Reagan Washington National Airport (DCA / KDCA) Washington, United States