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How far is Rockford, IL, from North Spirit Lake?

The distance between North Spirit Lake (North Spirit Lake Airport) and Rockford (Chicago Rockford International Airport) is 734 miles / 1181 kilometers / 638 nautical miles.

North Spirit Lake Airport – Chicago Rockford International Airport

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734
Miles
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1181
Kilometers
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638
Nautical miles

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Distance from North Spirit Lake to Rockford

There are several ways to calculate the distance from North Spirit Lake to Rockford. Here are two standard methods:

Vincenty's formula (applied above)
  • 733.790 miles
  • 1180.920 kilometers
  • 637.646 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
  • 733.770 miles
  • 1180.889 kilometers
  • 637.629 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 North Spirit Lake to Rockford?

The estimated flight time from North Spirit Lake Airport to Chicago Rockford International Airport is 1 hour and 53 minutes.

What is the time difference between North Spirit Lake and Rockford?

There is no time difference between North Spirit Lake and Rockford.

Flight carbon footprint between North Spirit Lake Airport (YNO) and Chicago Rockford International Airport (RFD)

On average, flying from North Spirit Lake to Rockford generates about 128 kg of CO2 per passenger, and 128 kilograms equals 283 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.

Map of flight path from North Spirit Lake to Rockford

See the map of the shortest flight path between North Spirit Lake Airport (YNO) and Chicago Rockford International Airport (RFD).

Airport information

Origin North Spirit Lake Airport
City: North Spirit Lake
Country: Canada Flag of Canada
IATA Code: YNO
ICAO Code: CKQ3
Coordinates: 52°29′24″N, 92°58′15″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