How far is Chicago from Portland?
There are several ways to calculate distances between Portland and Chicago. Here are two common 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 earth.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).
Estimated flight time from Portland International Airport (PDX) to O'Hare International Airport (ORD) is 3 hours 47 minutes.
Time difference and current local times
The time difference between Portland and Chicago is 2 hours. Chicago is 2 hours ahead of Portland.
Carbon dioxide emissions
Estimated CO2 emissions per passenger is 191 kg (421 pounds).
Portland to Chicago flight map.
Frequent Flyer Miles Calculator
Portland (PDX) → Chicago (ORD).