Connect to the "Significant Volcano Eruption" data source.

Drop the longitude field to Columns and latitude to Rows.

Add Location filter and select Aleutin IS

Drop the Name field to Labels

Your view will look like this:

We need to find in Km so go to Map -> Map options and select Units as Metric

Use the radial selection tool to find out the distance between Okmok and Vsevidof

volcanoes