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

The distance between Rockford (Chicago Rockford International Airport) and Cheyenne (Cheyenne Regional Airport) is 815 miles / 1312 kilometers / 708 nautical miles.

The driving distance from Rockford (RFD) to Cheyenne (CYS) is 903 miles / 1453 kilometers, and travel time by car is about 16 hours 1 minutes.

Distance from Rockford to Cheyenne

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

Vincenty's formula (applied above)

• 815.107 miles
• 1311.787 kilometers
• 708.308 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

• 813.014 miles
• 1308.419 kilometers
• 706.490 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 Cheyenne?

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

What is the time difference between Rockford and Cheyenne?

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

Flight carbon footprint between Chicago Rockford International Airport (RFD) and Cheyenne Regional Airport (CYS)

On average, flying from Rockford to Cheyenne generates about 136 kg of CO2 per passenger, and 136 kilograms equals 300 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 Cheyenne

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

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	Cheyenne Regional Airport
City:	Cheyenne, WY
Country:	United States
IATA Code:	CYS
ICAO Code:	KCYS
Coordinates:	41°9′20″N, 104°48′43″W