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 Chicago to San Francisco take?

Flight time depends on the exact route and aircraft, but at roughly 2,964 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: Chicago to San Francisco

2,964

Kilometres (km)

1,842

Miles (mi)

1,600

Nautical miles

About this flight distance

The great circle distance from Chicago to San Francisco is approximately 2,964 km. The typical flight time is 3h 59m.

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 Chicago to San Francisco →Flight duration Chicago to San Francisco →Cheapest day to fly Chicago to San Francisco →Flights Chicago to San Francisco

Nearby airports

Near Chicago

Chicago Midway International Airport (MDW)25 km
Gary Chicago International Airport (GYY)57 km
Michigan City Municipal Airport (MGC)95 km

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

Frequently Asked Questions

The great-circle distance from Chicago to San Francisco is approximately 2,964 km (1,842 miles).