How far is Champaign, IL, from Harrison, AR?
The distance between Harrison (Boone County Airport) and Champaign (University of Illinois Willard Airport) is 372 miles / 599 kilometers / 323 nautical miles.
The driving distance from Harrison (HRO) to Champaign (CMI) is 452 miles / 727 kilometers, and travel time by car is about 8 hours 29 minutes.
Boone County Airport – University of Illinois Willard Airport
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Distance from Harrison to Champaign
There are several ways to calculate the distance from Harrison to Champaign. Here are two standard methods:
Vincenty's formula (applied above)- 371.948 miles
- 598.592 kilometers
- 323.214 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- 371.817 miles
- 598.381 kilometers
- 323.100 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 Harrison to Champaign?
The estimated flight time from Boone County Airport to University of Illinois Willard Airport is 1 hour and 12 minutes.
What is the time difference between Harrison and Champaign?
Flight carbon footprint between Boone County Airport (HRO) and University of Illinois Willard Airport (CMI)
On average, flying from Harrison to Champaign generates about 80 kg of CO2 per passenger, and 80 kilograms equals 176 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.
Map of flight path and driving directions from Harrison to Champaign
See the map of the shortest flight path between Boone County Airport (HRO) and University of Illinois Willard Airport (CMI).
Airport information
| Origin | Boone County Airport |
|---|---|
| City: | Harrison, AR |
| Country: | United States  |
| IATA Code: | HRO |
| ICAO Code: | KHRO |
| Coordinates: | 36°15′41″N, 93°9′16″W |
| Destination | 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 |