Originally Posted by RJ85FO

Precisely...
Im the garmin you just go to the user waypoint page, enter a name for your waypoint. Select the fix you want to REF WPT field (DLF) enter your radial (301) in the RAD field and enter your desired distance (60nm) in the DIS field.

Then hit DIRECT TO and you are LNAVing where you need to go..