### Calculo de distância. _Distance calculation._

Esta função MySQL retorna a distância (em KM) entre dois pontos com Latitude e Longitude.

_This MySQL function returns the distance (in Kilometers) between two points with Latitude and Longitude._

### Exemplo de uso. _Example of use._

```mysql
SELECT address.*, distance_latlng_km(13.6576773, -69.7116724, address.lat, address.lng) AS distance_km FROM address ORDER BY distance_km ASC
```