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

The distance between Portland (Portland International Airport) and Rockford (Chicago Rockford International Airport) is 1677 miles / 2698 kilometers / 1457 nautical miles.

The driving distance from Portland (PDX) to Rockford (RFD) is 2062 miles / 3319 kilometers, and travel time by car is about 35 hours 38 minutes.

Portland International Airport – Chicago Rockford International Airport

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1677
Miles
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2698
Kilometers
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1457
Nautical miles

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Distance from Portland to Rockford

There are several ways to calculate the distance from Portland to Rockford. Here are two standard 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 planet.

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).

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

The estimated flight time from Portland International Airport to Chicago Rockford International Airport is 3 hours and 40 minutes.

Flight carbon footprint between Portland International Airport (PDX) and Chicago Rockford International Airport (RFD)

On average, flying from Portland to Rockford generates about 191 kg of CO2 per passenger, and 191 kilograms equals 421 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 Rockford

See the map of the shortest flight path between Portland International Airport (PDX) and Chicago Rockford International Airport (RFD).

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 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