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 Chicago 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 path
Shortest flight path between Portland International Airport (PDX) and Chicago O'Hare International Airport (ORD).
Frequent Flyer Miles Calculator
Portland (PDX) → Chicago (ORD).