How far is Reading, PA, from Champaign, IL?
The distance between Champaign (University of Illinois Willard Airport) and Reading (Reading Regional Airport) is 651 miles / 1048 kilometers / 566 nautical miles.
The driving distance from Champaign (CMI) to Reading (RDG) is 728 miles / 1172 kilometers, and travel time by car is about 14 hours 2 minutes.
University of Illinois Willard Airport – Reading Regional Airport
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Distance from Champaign to Reading
There are several ways to calculate the distance from Champaign to Reading. 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 Champaign to Reading?
The estimated flight time from University of Illinois Willard Airport to Reading Regional Airport is 1 hour and 43 minutes.
What is the time difference between Champaign and Reading?
The time difference between Champaign and Reading is 1 hour. Reading is 1 hour ahead of Champaign.
Flight carbon footprint between University of Illinois Willard Airport (CMI) and Reading Regional Airport (RDG)
On average, flying from Champaign to Reading 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 Champaign to Reading
See the map of the shortest flight path between University of Illinois Willard Airport (CMI) and Reading Regional Airport (RDG).
Airport information
| Origin | University of Illinois Willard Airport |
|---|---|
| City: | Champaign, IL |
| Country: | United States  |
| IATA Code: | CMI |
| ICAO Code: | KCMI |
| Coordinates: | 40°2′21″N, 88°16′41″W |
| Destination | Reading Regional Airport |
|---|---|
| City: | Reading, PA |
| Country: | United States |
| IATA Code: | RDG |
| ICAO Code: | KRDG |
| Coordinates: | 40°22′42″N, 75°57′54″W |