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

The distance between Rockford (Chicago Rockford International Airport) and Riverton (Central Wyoming Regional Airport) is 987 miles / 1588 kilometers / 857 nautical miles.

The driving distance from Rockford (RFD) to Riverton (RIW) is 1178 miles / 1896 kilometers, and travel time by car is about 21 hours 45 minutes.

Chicago Rockford International Airport – Central Wyoming Regional Airport

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987
Miles
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1588
Kilometers
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857
Nautical miles

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Distance from Rockford to Riverton

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

Vincenty's formula (applied above)
  • 986.553 miles
  • 1587.703 kilometers
  • 857.291 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
  • 983.950 miles
  • 1583.513 kilometers
  • 855.029 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 Riverton?

The estimated flight time from Chicago Rockford International Airport to Central Wyoming Regional Airport is 2 hours and 22 minutes.

Flight carbon footprint between Chicago Rockford International Airport (RFD) and Central Wyoming Regional Airport (RIW)

On average, flying from Rockford to Riverton generates about 150 kg of CO2 per passenger, and 150 kilograms equals 330 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 Riverton

See the map of the shortest flight path between Chicago Rockford International Airport (RFD) and Central Wyoming Regional Airport (RIW).

Airport information

Origin 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
Destination Central Wyoming Regional Airport
City: Riverton, WY
Country: United States Flag of United States
IATA Code: RIW
ICAO Code: KRIW
Coordinates: 43°3′51″N, 108°27′35″W