How far is Rockford from Casper?
There are several ways to calculate distances between Casper and Rockford. Here are two common methods:Vincenty's formula (applied above)
- 886.085 miles
- 1426.015 kilometers
- 769.986 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
- 883.748 miles
- 1422.255 kilometers
- 767.956 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).
Estimated flight time from Casper–Natrona County International Airport (CPR) to Chicago Rockford International Airport (RFD) is 2 hours 10 minutes.
Time difference and current local times
The time difference between Casper and Rockford is 1 hour. Rockford is 1 hour ahead of Casper.
Carbon dioxide emissions
Estimated CO2 emissions per passenger is 142 kg (314 pounds).
|A||Casper–Natrona County International Airport|
|B||Chicago Rockford International Airport|
Casper to Rockford flight map.
Frequent Flyer Miles Calculator
Casper (CPR) → Rockford (RFD).