How far is Champaign, IL, from Rapid City, SD?
The distance between Rapid City (Rapid City Regional Airport) and Champaign (University of Illinois Willard Airport) is 808 miles / 1300 kilometers / 702 nautical miles.
The driving distance from Rapid City (RAP) to Champaign (CMI) is 965 miles / 1553 kilometers, and travel time by car is about 17 hours 13 minutes.
Rapid City Regional Airport – University of Illinois Willard Airport
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Distance from Rapid City to Champaign
There are several ways to calculate the distance from Rapid City to Champaign. Here are two standard methods:
Vincenty's formula (applied above)- 807.650 miles
- 1299.786 kilometers
- 701.829 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- 805.888 miles
- 1296.950 kilometers
- 700.297 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 Rapid City to Champaign?
The estimated flight time from Rapid City Regional Airport to University of Illinois Willard Airport is 2 hours and 1 minutes.
What is the time difference between Rapid City and Champaign?
Flight carbon footprint between Rapid City Regional Airport (RAP) and University of Illinois Willard Airport (CMI)
On average, flying from Rapid City to Champaign generates about 136 kg of CO2 per passenger, and 136 kilograms equals 299 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.
Map of flight path and driving directions from Rapid City to Champaign
See the map of the shortest flight path between Rapid City Regional Airport (RAP) and University of Illinois Willard Airport (CMI).
Airport information
| Origin | Rapid City Regional Airport |
|---|---|
| City: | Rapid City, SD |
| Country: | United States  |
| IATA Code: | RAP |
| ICAO Code: | KRAP |
| Coordinates: | 44°2′43″N, 103°3′25″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 |