radiansToLength

Convert a distance measurement (assuming a spherical Earth) from radians to a more friendly unit. Valid units: miles, nauticalmiles, inches, yards, meters, metres, kilometers, centimeters, feet
将距离测量值（假设地球为球体）从弧度转换为更易理解的单位。有效单位：miles, nauticalmiles, inches, yards, meters, metres, kilometers, centimeters, feet。

> npm install @turf/helpers

参数

参数	类型	描述
radians	number	in radians across the sphere
units	string	can be degrees, radians, miles, or kilometers inches, yards, metres, meters, kilometres, kilometers.

返回

number - distance

turf.radiansToLength(1.0471975511965976, 'meters'); // 6671704.814011974