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

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

The driving distance from Rockford (RFD) to Laramie (LAR) is 957 miles / 1540 kilometers, and travel time by car is about 16 hours 53 minutes.

Distance from Rockford to Laramie

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

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

What is the time difference between Rockford and Laramie?

The time difference between Rockford and Laramie is 1 hour. Laramie is 1 hour behind Rockford.

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

On average, flying from Rockford to Laramie 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 Rockford to Laramie

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

Airport information

Origin	Chicago Rockford International Airport
City:	Rockford, IL
Country:	United States
IATA Code:	RFD
ICAO Code:	KRFD
Coordinates:	42°11′43″N, 89°5′49″W

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