How far is Roi Et from Dien Bien Phu?
There are several ways to calculate distances between Los Angeles and Chicago. Here are two common methods:Vincenty's formula (applied above)
- 366.651 miles
- 590.068 kilometers
- 318.611 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
- 368.284 miles
- 592.695 kilometers
- 320.030 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).