GeoPositionENU
GeoPositionENU[{east,north,up},p] represents a position with local Cartesian coordinates {east,north,up} in a reference system centered at the position p.
GeoPositionENU[{{e1,n1,u1},{e2,n2,u2},…},p] represents an array of positions.
GeoPositionENU[entity,p] returns the Cartesian position with respect to p of the specified geographical entity.
Please visit the official Wolfram Language Reference for more details and examples on core symbols.