Hi @CTUBeaty ,
Could you tell me the data type of .Details_URL and Street_View?
Whether do you want to use this button in a standalone app or sharepoint custom form?
I've made a similar test:
In my test, the columns that used to record URL is text(test1) and hyderlink(test2) type.
1)use this button in standalone app
insert a gallery, set the gallery's Item to this list
insert two buttons inside the gallery
set button1's OnSelect:
Launch(ThisItem.test1)
set button2's OnSelect:
Launch(ThisItem.test2)
And then when I click button1 and button2, it will launch that item's url.

2)use this button is sharepoint custom form
insert two buttons
set button1's OnSelect:
Launch(SharePointIntegration.Selected.test1)
set button2's OnSelect:
Launch(SharePointIntegration.Selected.test2)
Then if you click button1 and button2, it will launch this item's url.

Best regards,