Combine the power of Azure with your existing VMware or Hyper-V landscape in your regional datacenter.
The Azure Site Recovery Toolset contains disaster recovery solutions for different hypervisors, guest operating systems and databases running on-premises.
SAP supports its applications on Linux and Windows guests on VMware vSphere (SAP Note 1492000). You can use Azure Site Recovery with both guest operating systems starting with VMware vSphere 5 and higher. Additionally ASR covers many databases like Oracle, MS SQL Server, DB2 and Sybase.
For more information on prerequisites, costs, recommendations of this setup, check this blog. It contains many insights and implementation details how to set up such a scenario.
For more information on SAP on Azure in general, check my Wiki site SAP on Azure.