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 Boston take?

Flight time depends on the exact route and aircraft, but at roughly 1,391 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 Boston

1,391

Kilometres (km)

864

Miles (mi)

751

Nautical miles

About this flight distance

The great circle distance from Chicago to Boston is approximately 1,391 km. The typical flight time is 2h 08m.

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 Boston →Flight duration Chicago to Boston →Cheapest day to fly Chicago to Boston →Flights Chicago to Boston

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 Boston

Laurence G Hanscom Field (BED)26 km
Manchester Boston Regional Airport (MHT)72 km
Worcester Regional Airport (ORH)72 km

Frequently Asked Questions

The great-circle distance from Chicago to Boston is approximately 1,391 km (864 miles).