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How far is Champaign, IL, from Reading, PA?

The distance between Reading (Reading Regional Airport) and Champaign (University of Illinois Willard Airport) is 651 miles / 1048 kilometers / 566 nautical miles.

The driving distance from Reading (RDG) to Champaign (CMI) is 735 miles / 1183 kilometers, and travel time by car is about 14 hours 2 minutes.

Reading Regional Airport – University of Illinois Willard Airport

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651
Miles
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1048
Kilometers
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566
Nautical miles

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Distance from Reading to Champaign

There are several ways to calculate the distance from Reading to Champaign. Here are two standard methods:

Vincenty's formula (applied above)
  • 651.238 miles
  • 1048.065 kilometers
  • 565.910 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
  • 649.605 miles
  • 1045.438 kilometers
  • 564.491 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 Reading to Champaign?

The estimated flight time from Reading Regional Airport to University of Illinois Willard Airport is 1 hour and 43 minutes.

Flight carbon footprint between Reading Regional Airport (RDG) and University of Illinois Willard Airport (CMI)

On average, flying from Reading to Champaign generates about 119 kg of CO2 per passenger, and 119 kilograms equals 262 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.

Map of flight path and driving directions from Reading to Champaign

See the map of the shortest flight path between Reading Regional Airport (RDG) and University of Illinois Willard Airport (CMI).

Airport information

Origin Reading Regional Airport
City: Reading, PA
Country: United States Flag of United States
IATA Code: RDG
ICAO Code: KRDG
Coordinates: 40°22′42″N, 75°57′54″W
Destination University of Illinois Willard Airport
City: Champaign, IL
Country: United States Flag of United States
IATA Code: CMI
ICAO Code: KCMI
Coordinates: 40°2′21″N, 88°16′41″W