Hi, Paul.
Yes, you can open a Google map usisng a address string from a form.
You can use the followin code in the After Update event of a command button:
Dim strAddress As String
'read the Address and assign it to a string type variable
strAddress = Me.txtAddress
Application.FollowHyperlink "
http://maps.google.co.uk/maps?f=q&hl=en&q=" _
& strAddress & ""
You will need to change the "Me.txtAddress" to the name of the control (text
box) that has the address that you want to display on a Google map.