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How far is Rockford, IL, from Twin Falls, ID?

The distance between Twin Falls (Magic Valley Regional Airport) and Rockford (Chicago Rockford International Airport) is 1295 miles / 2085 kilometers / 1126 nautical miles.

The driving distance from Twin Falls (TWF) to Rockford (RFD) is 1524 miles / 2452 kilometers, and travel time by car is about 26 hours 24 minutes.

Magic Valley Regional Airport – Chicago Rockford International Airport

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1295
Miles
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2085
Kilometers
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1126
Nautical miles

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Distance from Twin Falls to Rockford

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

Vincenty's formula (applied above)
  • 1295.466 miles
  • 2084.851 kilometers
  • 1125.729 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
  • 1292.054 miles
  • 2079.359 kilometers
  • 1122.764 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 Twin Falls to Rockford?

The estimated flight time from Magic Valley Regional Airport to Chicago Rockford International Airport is 2 hours and 57 minutes.

Flight carbon footprint between Magic Valley Regional Airport (TWF) and Chicago Rockford International Airport (RFD)

On average, flying from Twin Falls to Rockford generates about 167 kg of CO2 per passenger, and 167 kilograms equals 367 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.

Map of flight path and driving directions from Twin Falls to Rockford

See the map of the shortest flight path between Magic Valley Regional Airport (TWF) and Chicago Rockford International Airport (RFD).

Airport information

Origin Magic Valley Regional Airport
City: Twin Falls, ID
Country: United States Flag of United States
IATA Code: TWF
ICAO Code: KTWF
Coordinates: 42°28′54″N, 114°29′16″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