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 Rome take?

Flight time depends on the exact route and aircraft, but at roughly 7,740 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 Rome

7,740

Kilometres (km)

4,809

Miles (mi)

4,179

Nautical miles

About this flight distance

The great circle distance from Chicago to Rome is approximately 7,740 km. The typical flight time is 9h 50m.

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

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 Rome

Ciampino Airport (CIA)29 km

Frequently Asked Questions

The great-circle distance from Chicago to Rome is approximately 7,740 km (4,809 miles).