distance

Calculates the distance between two points in degrees, radians, miles, or kilometers. This uses the Haversine formula to account for global curvature.
用度数、弧度、英里或公里计算两点之间的距离。

参数

参数	类型	描述
from	Coord	origin point
to	Coord	destination point
options	Object	Optional parameters: see below

options选项

属性	类型	默认值	描述
units	string	kilometers	can be degrees, radians, miles, or kilometers

返回

number - distance between the two points

示例

var from = turf.point([-75.343, 39.984]);
var to = turf.point([-75.534, 39.123]);
var options = {units: 'miles'};

var distance = turf.distance(from, to, options);