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How far is Rockford, IL, from Wilmington, DE?

The distance between Wilmington (Wilmington Airport (Delaware)) and Rockford (Chicago Rockford International Airport) is 726 miles / 1169 kilometers / 631 nautical miles.

The driving distance from Wilmington (ILG) to Rockford (RFD) is 844 miles / 1358 kilometers, and travel time by car is about 15 hours 47 minutes.

Wilmington Airport (Delaware) – Chicago Rockford International Airport

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726
Miles
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1169
Kilometers
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631
Nautical miles

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Distance from Wilmington to Rockford

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

Vincenty's formula (applied above)
  • 726.139 miles
  • 1168.607 kilometers
  • 630.997 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
  • 724.444 miles
  • 1165.879 kilometers
  • 629.525 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 Wilmington to Rockford?

The estimated flight time from Wilmington Airport (Delaware) to Chicago Rockford International Airport is 1 hour and 52 minutes.

Flight carbon footprint between Wilmington Airport (Delaware) (ILG) and Chicago Rockford International Airport (RFD)

On average, flying from Wilmington to Rockford generates about 127 kg of CO2 per passenger, and 127 kilograms equals 281 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.

Map of flight path and driving directions from Wilmington to Rockford

See the map of the shortest flight path between Wilmington Airport (Delaware) (ILG) and Chicago Rockford International Airport (RFD).

Airport information

Origin Wilmington Airport (Delaware)
City: Wilmington, DE
Country: United States Flag of United States
IATA Code: ILG
ICAO Code: KILG
Coordinates: 39°40′43″N, 75°36′23″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