The mean distance of a (connected) graph is the mean of the elements of its graph distance matrix.

Closed forms for some classes of named graphs are given in the following table.

The mean distance of a (connected) graph is the mean of the elements of its graph distance matrix.

Closed forms for some classes of named graphs are given in the following table.

Weisstein, Eric W. "Mean Distance." From
*MathWorld*--A Wolfram Web Resource. https://mathworld.wolfram.com/MeanDistance.html