Air Miles Calculator logo

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

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

The driving distance from Rockford (RFD) to Wilmington (ILG) is 841 miles / 1354 kilometers, and travel time by car is about 15 hours 45 minutes.

Chicago Rockford International Airport – Wilmington Airport (Delaware)

Distance arrow
726
Miles
Distance arrow
1169
Kilometers
Distance arrow
631
Nautical miles

Search flights

Distance from Rockford to Wilmington

There are several ways to calculate the distance from Rockford to Wilmington. 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 Rockford to Wilmington?

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

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

On average, flying from Rockford to Wilmington 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 Rockford to Wilmington

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

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 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