How is the flight distance measured?

Flight distances are measured as the great-circle (straight-line) distance between airports. Actual flight paths may be slightly longer due to air traffic routing and weather avoidance.

How long does the flight from San Francisco to Toronto take?

Flight time depends on the exact route and aircraft, but at roughly 3,644 km the typical non-stop flight takes 1–10 hours. Check the flight duration page for the exact average.

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Flight Distance: San Francisco to Toronto

3,644

Kilometres (km)

2,264

Miles (mi)

1,968

Nautical miles

About this flight distance

The great circle distance from San Francisco to Toronto is approximately 3,644 km. The typical flight time is 5h 00m.

This is the shortest possible distance between the two cities as the crow flies. Real flight paths are often slightly longer due to air traffic control routing, weather, and airspace restrictions.

Related route pages

→Direct flights San Francisco to Toronto →Flight duration San Francisco to Toronto →Cheapest day to fly San Francisco to Toronto →Flights San Francisco to Toronto

Nearby airports

Near San Francisco

San Carlos Airport (SQL)16 km
Metropolitan Oakland International Airport (OAK)18 km
Norman Y. Mineta San Jose International Airport (SJC)49 km

Near Toronto

Billy Bishop Toronto City Centre Airport (YTZ)20 km
John C. Munro Hamilton International Airport (YHM)61 km
Waterloo Airport (YKF)65 km

Frequently Asked Questions

The great-circle distance from San Francisco to Toronto is approximately 3,644 km (2,264 miles).