As it happens, there is now a Perm version of the Plains 310 Calendar Ride. It's not available to ride just yet, or at least it won't be validated, as the suspension of longer Perms continues until further notice. Details
here. This version is just 312km. It calls twice at the notorious Dinky's Dina, that is if it has survived the lockdown.
Seeing your video reminds me of what I've been missing all these months.