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

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

The driving distance from Rockford (RFD) to Friday Harbor (FRD) is 2073 miles / 3336 kilometers, and travel time by car is about 37 hours 55 minutes.

Chicago Rockford International Airport – Friday Harbor 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 Rockford to Friday Harbor

There are several ways to calculate the distance from Rockford to Friday Harbor. 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 Rockford to Friday Harbor?

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

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

On average, flying from Rockford to Friday Harbor 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 Rockford to Friday Harbor

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

Airport information

Origin 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
Destination 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