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How far is Lewiston, ID, from Rockford, IL?

The distance between Rockford (Chicago Rockford International Airport) and Lewiston (Lewiston–Nez Perce County Airport) is 1407 miles / 2264 kilometers / 1222 nautical miles.

The driving distance from Rockford (RFD) to Lewiston (LWS) is 1786 miles / 2875 kilometers, and travel time by car is about 31 hours 50 minutes.

Chicago Rockford International Airport – Lewiston–Nez Perce County Airport

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1407
Miles
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2264
Kilometers
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1222
Nautical miles

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Distance from Rockford to Lewiston

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

Vincenty's formula (applied above)
  • 1406.659 miles
  • 2263.798 kilometers
  • 1222.353 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
  • 1402.999 miles
  • 2257.907 kilometers
  • 1219.172 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 Lewiston?

The estimated flight time from Chicago Rockford International Airport to Lewiston–Nez Perce County Airport is 3 hours and 9 minutes.

Flight carbon footprint between Chicago Rockford International Airport (RFD) and Lewiston–Nez Perce County Airport (LWS)

On average, flying from Rockford to Lewiston generates about 174 kg of CO2 per passenger, and 174 kilograms equals 383 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 Lewiston

See the map of the shortest flight path between Chicago Rockford International Airport (RFD) and Lewiston–Nez Perce County Airport (LWS).

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 Lewiston–Nez Perce County Airport
City: Lewiston, ID
Country: United States Flag of United States
IATA Code: LWS
ICAO Code: KLWS
Coordinates: 46°22′28″N, 117°0′53″W