converting KVM virtual machines to VMware-vsphere
Solution 1:
Ι don't think there is a direct qemu to vmware image converted. I think the best way to do it will be to treat the KVM VMs as if they were systems on bare metal.
Install vCenter Concerter on each of the VMs and run the program when the VM is turned on. Don't have it handy atm but one of the options should allow you to choose that the machine you are converting is the current live machine. Then import the created image to Vsphere.