Air Miles Calculator

Distance between Portland, OR (PDX) and Rockford, IL (RFD)

Distance from Portland to Rockford (Portland International Airport – Chicago Rockford International Airport) is 1677 miles / 2698 kilometers / 1457 nautical miles.

How far is Rockford from Portland?

There are several ways to calculate distances between Portland and Rockford. Here are two common methods:

Vincenty's formula (applied above)
  • 1676.517 miles
  • 2698.092 kilometers
  • 1456.853 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
  • 1672.063 miles
  • 2690.925 kilometers
  • 1452.983 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).

Flight duration

Estimated flight time from Portland International Airport (PDX) to Chicago Rockford International Airport (RFD) is 3 hours 40 minutes.

Time difference and current local times

The time difference between Portland and Rockford is 2 hours. Rockford is 2 hours ahead of Portland.

Time Difference

Portland
Rockford

Portland, OR

 PDT

Rockford, IL

 CDT

Carbon dioxide emissions

Estimated CO2 emissions per passenger is 184 kg (405 pounds).

Airport information


A 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

B Chicago Rockford International Airport
City: Rockford, IL
Country: United States Flag of United States
IATA Code: RFD
ICAO Code: KRFD
Coordinates: 42°11′43″N, 89°5′49″W

Portland to Rockford flight path

Shortest flight path between Portland International Airport (PDX) and Chicago Rockford International Airport (RFD).

Frequent Flyer Miles Calculator

Portland (PDX) → Rockford (RFD).

Elite level bonus (%):
Booking class bonus (%):
Air miles:
1677
Elite level bonus:
0
Booking class bonus:
0

In total

Total frequent flyer miles:
1677

Round trip?