You can use Site Recovery Manager 8.5.x and vSphere Replication 8.5.x with Google Cloud VMware Engine.
Google Cloud VMware Engine is an infrastructure-as-a-service offering built on Google Cloud’s highly performant scalable infrastructure and VMware Cloud Foundation stack. It enables a fast path to the cloud, seamlessly migrating or extending existing VMware workloads from on-premises environments to Google Cloud Platform.
You can use Site Recovery Manager 8.5.x and vSphere Replication 8.5.x to plan, test, and run the recovery of virtual machines between a protected vCenter Server on-premises site and a recovery vCenter Server site on Google Cloud VMware Engine and the reverse, or between two Google Cloud VMware Engine cloud sites.