Air Miles Calculator

Distance between Rock Springs, WY (RKS) and Champaign, IL (CMI)

Flight distance from Rock Springs to Champaign (Southwest Wyoming Regional Airport – University of Illinois Willard Airport) is 1092 miles / 1758 kilometers / 949 nautical miles. Estimated flight time is 2 hours 34 minutes.

Driving distance from Rock Springs (RKS) to Champaign (CMI) is 1215 miles / 1956 kilometers and travel time by car is about 20 hours 12 minutes.

Map of flight path and driving directions from Rock Springs to Champaign.

Shortest flight path between Southwest Wyoming Regional Airport (RKS) and University of Illinois Willard Airport (CMI).

How far is Champaign from Rock Springs?

There are several ways to calculate distances between Rock Springs and Champaign. Here are two common methods:

Vincenty's formula (applied above)
  • 1092.330 miles
  • 1757.935 kilometers
  • 949.209 nautical miles

Vincenty's formula calculates the distance between latitude/longitude points on the earth’s surface, using an ellipsoidal model of the earth.

Haversine formula
  • 1089.589 miles
  • 1753.524 kilometers
  • 946.827 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).

Airport information


A Southwest Wyoming Regional Airport
City: Rock Springs, WY
Country: United States Flag of United States
IATA Code: RKS
ICAO Code: KRKS
Coordinates: 41°35′39″N, 109°3′54″W

B 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

Time difference and current local times

The time difference between Rock Springs and Champaign is 1 hour. Champaign is 1 hour ahead of Rock Springs.

Time Difference

Rock Springs, WY

 MDT

Champaign, IL

 CDT

Carbon dioxide emissions

Estimated CO2 emissions per passenger is 156 kg (345 pounds).

Frequent Flyer Miles Calculator

Rock Springs (RKS) → Champaign (CMI).

Distance:
1092
Elite level bonus:
0
Booking class bonus:
0

In total

Total frequent flyer miles:
1092

Round trip?