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How far is Rockford, IL, from Round Lake?

The distance between Round Lake (Round Lake (Weagamow Lake) Airport) and Rockford (Chicago Rockford International Airport) is 750 miles / 1206 kilometers / 651 nautical miles.

The driving distance from Round Lake (ZRJ) to Rockford (RFD) is 1058 miles / 1702 kilometers, and travel time by car is about 29 hours 21 minutes.

Round Lake (Weagamow Lake) Airport – Chicago Rockford International Airport

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750
Miles
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1206
Kilometers
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651
Nautical miles

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Distance from Round Lake to Rockford

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

Vincenty's formula (applied above)
  • 749.634 miles
  • 1206.419 kilometers
  • 651.414 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
  • 749.681 miles
  • 1206.495 kilometers
  • 651.455 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 Round Lake to Rockford?

The estimated flight time from Round Lake (Weagamow Lake) Airport to Chicago Rockford International Airport is 1 hour and 55 minutes.

What is the time difference between Round Lake and Rockford?

There is no time difference between Round Lake and Rockford.

Flight carbon footprint between Round Lake (Weagamow Lake) Airport (ZRJ) and Chicago Rockford International Airport (RFD)

On average, flying from Round Lake to Rockford generates about 130 kg of CO2 per passenger, and 130 kilograms equals 286 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.

Map of flight path and driving directions from Round Lake to Rockford

See the map of the shortest flight path between Round Lake (Weagamow Lake) Airport (ZRJ) and Chicago Rockford International Airport (RFD).

Airport information

Origin Round Lake (Weagamow Lake) Airport
City: Round Lake
Country: Canada Flag of Canada
IATA Code: ZRJ
ICAO Code: CZRJ
Coordinates: 52°56′36″N, 91°18′46″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