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How far is Rockford, IL, from Lopez, WA?

The distance between Lopez (Lopez Island Airport) and Rockford (Chicago Rockford International Airport) is 1689 miles / 2719 kilometers / 1468 nautical miles.

The driving distance from Lopez (LPS) to Rockford (RFD) is 2072 miles / 3334 kilometers, and travel time by car is about 37 hours 34 minutes.

Lopez Island Airport – Chicago Rockford International Airport

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1689
Miles
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2719
Kilometers
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1468
Nautical miles

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Distance from Lopez to Rockford

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

Vincenty's formula (applied above)
  • 1689.221 miles
  • 2718.538 kilometers
  • 1467.893 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
  • 1684.851 miles
  • 2711.505 kilometers
  • 1464.096 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 Lopez to Rockford?

The estimated flight time from Lopez Island Airport to Chicago Rockford International Airport is 3 hours and 41 minutes.

Flight carbon footprint between Lopez Island Airport (LPS) and Chicago Rockford International Airport (RFD)

On average, flying from Lopez to Rockford generates about 192 kg of CO2 per passenger, and 192 kilograms equals 423 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.

Map of flight path and driving directions from Lopez to Rockford

See the map of the shortest flight path between Lopez Island Airport (LPS) and Chicago Rockford International Airport (RFD).

Airport information

Origin Lopez Island Airport
City: Lopez, WA
Country: United States Flag of United States
IATA Code: LPS
ICAO Code: S31
Coordinates: 48°29′2″N, 122°56′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