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How far is Rockford, IL, from Friday Harbor, WA?

The distance between Friday Harbor (Friday Harbor Airport) and Rockford (Chicago Rockford International Airport) is 1693 miles / 2725 kilometers / 1471 nautical miles.

The driving distance from Friday Harbor (FRD) to Rockford (RFD) is 2072 miles / 3335 kilometers, and travel time by car is about 37 hours 45 minutes.

Friday Harbor Airport – Chicago Rockford International Airport

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1693
Miles
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2725
Kilometers
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1471
Nautical miles

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Distance from Friday Harbor to Rockford

There are several ways to calculate the distance from Friday Harbor to Rockford. Here are two standard methods:

Vincenty's formula (applied above)
  • 1693.265 miles
  • 2725.046 kilometers
  • 1471.407 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
  • 1688.885 miles
  • 2717.997 kilometers
  • 1467.601 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 Friday Harbor to Rockford?

The estimated flight time from Friday Harbor Airport to Chicago Rockford International Airport is 3 hours and 42 minutes.

Flight carbon footprint between Friday Harbor Airport (FRD) and Chicago Rockford International Airport (RFD)

On average, flying from Friday Harbor to Rockford generates about 192 kg of CO2 per passenger, and 192 kilograms equals 424 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.

Map of flight path and driving directions from Friday Harbor to Rockford

See the map of the shortest flight path between Friday Harbor Airport (FRD) and Chicago Rockford International Airport (RFD).

Airport information

Origin Friday Harbor Airport
City: Friday Harbor, WA
Country: United States Flag of United States
IATA Code: FRD
ICAO Code: KFHR
Coordinates: 48°31′19″N, 123°1′26″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