How far is Hanoi 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)
- 180.856 miles
- 291.060 kilometers
- 157.160 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
- 180.579 miles
- 290.614 kilometers
- 156.919 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).