The flight distance from Portland, Oregon to Chicago, Illinois is:

1,759 miles / 2 831 km

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Flight path from Portland, OR to Chicago, IL

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Distance from Portland, OR to Chicago, IL

The total distance from Portland, OR to Chicago, IL is 1,759 miles.

This is equivalent to 2 831 kilometers or 1,529 nautical miles.

Your trip begins in Portland, Oregon.
It ends in Chicago, Illinois.

Your flight direction from Portland, OR to Chicago, IL is East (86 degrees from North).

The distance calculator helps you figure out how far it is to fly from Portland, OR to Chicago, IL. It does this by computing the straight line flying distance ("as the crow flies"). It uses the great circle formula to compute the total travel mileage.

Portland, Oregon

City: Portland
State: Oregon
Country: United States
Category: cities

Chicago, Illinois

City: Chicago
State: Illinois
Country: United States
Category: cities

Flight distance calculator

Travelmath provides an online flight distance calculator to get the distance between cities. You can also compare all types of locations including airports, cities, states, countries, or zip codes to find the distance between any two points. The database uses the latitude and longitude of each location to calculate distance using the great circle distance formula. The calculation is done using the Vincenty algorithm and the WGS84 ellipsoid model of the Earth, which is the same one used by most GPS receivers. This gives you the flying distance "as the crow flies." Find your flight distances quickly to estimate the number of frequent flyer miles you'll accumulate. Or ask how far is it between cities to solve your homework problems. You can lookup U.S. cities, or expand your search to get the world distance for international trips.