How far is Rockford from Chicago?
There are several ways to calculate distances between Los Angeles and Chicago. Here are two common methods:Vincenty's formula (applied above)
- 74.784 miles
- 120.353 kilometers
- 64.985 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
- 74.628 miles
- 120.102 kilometers
- 64.850 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).