ST_Length¶

Introduction: Return the spherical length of a geography in meters, summed along great-circle edges.

ST_Length on a sphere: great-circle length

Format:

ST_Length (geog: Geography)

Return type: Double

Since: v1.9.1

SQL Example:

SELECT ST_Length(ST_GeogFromWKT('LINESTRING (0 0, 0 1)', 4326))

Output:

111195.0662708989