These could be computed by doing the geo query for each facet value ie with a different radius and then apply some basic arithmetic operations to diff different surfaces.
For the above x km, we can diff the 50 radius with a query with no geo restriction.
This message is automatically generated by JIRA.
If you think it was sent incorrectly, please contact your JIRA administrators
For more information on JIRA, see: http://www.atlassian.com/software/jira