Calculates the straight line distance of points from the points specified on the map.

The straight line distance between two points from the departure point to the destination point is calculated.

In the drag of the marker, and the specification of the departure point and the destination point, a straight line distance is displayed by "m" and "km".

The departure point and the destination point can be set by even clicking "Register here in the departure point (destination point)" button by the balloon displayed when you click on the map, and "Set the center of the map to the departure point (destination point)" button is clicked.