How far is Block Island from Richmond?
There are several ways to calculate distances between Los Angeles and Chicago. Here are two common methods:Vincenty's formula (applied above)
- 397.920 miles
- 640.390 kilometers
- 345.783 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
- 397.586 miles
- 639.853 kilometers
- 345.493 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).