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How far is Rockford, IL, from Raleigh, NC?

The distance between Raleigh (Raleigh–Durham International Airport) and Rockford (Chicago Rockford International Airport) is 705 miles / 1134 kilometers / 612 nautical miles.

The driving distance from Raleigh (RDU) to Rockford (RFD) is 870 miles / 1400 kilometers, and travel time by car is about 16 hours 50 minutes.

Raleigh–Durham International Airport – Chicago Rockford International Airport

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705
Miles
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1134
Kilometers
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612
Nautical miles

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Distance from Raleigh to Rockford

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

Vincenty's formula (applied above)
  • 704.501 miles
  • 1133.785 kilometers
  • 612.195 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
  • 703.874 miles
  • 1132.776 kilometers
  • 611.650 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 Raleigh to Rockford?

The estimated flight time from Raleigh–Durham International Airport to Chicago Rockford International Airport is 1 hour and 50 minutes.

Flight carbon footprint between Raleigh–Durham International Airport (RDU) and Chicago Rockford International Airport (RFD)

On average, flying from Raleigh to Rockford generates about 125 kg of CO2 per passenger, and 125 kilograms equals 276 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.

Map of flight path and driving directions from Raleigh to Rockford

See the map of the shortest flight path between Raleigh–Durham International Airport (RDU) and Chicago Rockford International Airport (RFD).

Airport information

Origin Raleigh–Durham International Airport
City: Raleigh, NC
Country: United States Flag of United States
IATA Code: RDU
ICAO Code: KRDU
Coordinates: 35°52′39″N, 78°47′14″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