Just in case, all you have to do is the following:
1.- Make a copy of the file Contacts.CFG located in the following directory:
SH3/data/cfg
2.- double click on the copy you made of the file. It can be opened with any text editor.
Change the first 2 lines numbers as follows:
Display Range To Opportunity Radio Contacts=99999 ;[>0] kilometers
Display Range To Important Radio Contacts=99999 ;[>0] kilometers
Save the file and that's it...
CapZap