Establish an AWS Site-to-Site VPN connection between the on-premises data center and a central VPC, followed by creating VPC peering connections originating from the central VPC to all other VPCs.

Set up an AWS Direct Connect connection between the on-premises data center and AWS, provision a transit VIF, and link it to a Direct Connect gateway. Subsequently, connect the Direct Connect gateway to all other VPCs using a transit gateway in each respective Region.

Deploy an AWS Site-to-Site VPN connection between the on-premises data center and a central VPC, then utilize a transit gateway with dynamic routing to connect the transit gateway to all other VPCs.

Implement an AWS Direct Connect connection between the on-premises data center and AWS, and concurrently establish an AWS Site-to-Site VPN connection between all VPCs in each Region. Finally, create VPC peering connections from the central VPC to all other VPCs.