Air Miles Calculator logo

How far is Chicago, IL, from Portland, OR?

The distance between Portland (Portland International Airport) and Chicago (Chicago O'Hare International Airport) is 1739 miles / 2799 kilometers / 1511 nautical miles.

The driving distance from Portland (PDX) to Chicago (ORD) is 2115 miles / 3403 kilometers, and travel time by car is about 36 hours 34 minutes.

Portland International Airport – Chicago O'Hare International Airport

Distance arrow
1739
Miles
Distance arrow
2799
Kilometers
Distance arrow
1511
Nautical miles

Search flights

Distance from Portland to Chicago

There are several ways to calculate the distance from Portland to Chicago. Here are two standard methods:

Vincenty's formula (applied above)
  • 1739.259 miles
  • 2799.066 kilometers
  • 1511.375 nautical miles

Vincenty's formula calculates the distance between latitude/longitude points on the earth's surface using an ellipsoidal model of the planet.

Haversine formula
  • 1734.657 miles
  • 2791.659 kilometers
  • 1507.376 nautical miles

The haversine formula calculates the distance between latitude/longitude points assuming a spherical earth (great-circle distance – the shortest distance between two points).

How long does it take to fly from Portland to Chicago?

The estimated flight time from Portland International Airport to Chicago O'Hare International Airport is 3 hours and 47 minutes.

Flight carbon footprint between Portland International Airport (PDX) and Chicago O'Hare International Airport (ORD)

On average, flying from Portland to Chicago generates about 195 kg of CO2 per passenger, and 195 kilograms equals 431 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.

Map of flight path and driving directions from Portland to Chicago

See the map of the shortest flight path between Portland International Airport (PDX) and Chicago O'Hare International Airport (ORD).

Airport information

Origin Portland International Airport
City: Portland, OR
Country: United States Flag of United States
IATA Code: PDX
ICAO Code: KPDX
Coordinates: 45°35′19″N, 122°35′52″W
Destination Chicago O'Hare International Airport
City: Chicago, IL
Country: United States Flag of United States
IATA Code: ORD
ICAO Code: KORD
Coordinates: 41°58′42″N, 87°54′17″W

Airlines flying from Portland (PDX) to Chicago (ORD)

Alaska Airlines
American Airlines
United Airlines