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How far is Rockford, IL, from Laramie, WY?

The distance between Laramie (Laramie Regional Airport) and Rockford (Chicago Rockford International Airport) is 858 miles / 1380 kilometers / 745 nautical miles.

The driving distance from Laramie (LAR) to Rockford (RFD) is 958 miles / 1541 kilometers, and travel time by car is about 16 hours 55 minutes.

Laramie Regional Airport – Chicago Rockford International Airport

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858
Miles
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1380
Kilometers
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745
Nautical miles

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Distance from Laramie to Rockford

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

Vincenty's formula (applied above)
  • 857.536 miles
  • 1380.070 kilometers
  • 745.178 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
  • 855.321 miles
  • 1376.506 kilometers
  • 743.254 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 Laramie to Rockford?

The estimated flight time from Laramie Regional Airport to Chicago Rockford International Airport is 2 hours and 7 minutes.

Flight carbon footprint between Laramie Regional Airport (LAR) and Chicago Rockford International Airport (RFD)

On average, flying from Laramie to Rockford generates about 140 kg of CO2 per passenger, and 140 kilograms equals 309 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.

Map of flight path and driving directions from Laramie to Rockford

See the map of the shortest flight path between Laramie Regional Airport (LAR) and Chicago Rockford International Airport (RFD).

Airport information

Origin Laramie Regional Airport
City: Laramie, WY
Country: United States Flag of United States
IATA Code: LAR
ICAO Code: KLAR
Coordinates: 41°18′43″N, 105°40′30″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