apache http to https on another ip

hi, i have my apache server running and working good to redirect to my subdomains (http) but i need some help when i enter sub.domain.com and redirects to another ip on my local network like https://192.168.1.101/.
<VirtualHost *:80>
ServerName owncloud.domain.com
ServerAlias owncloud.domain.com
<Proxy *>
Order deny,allow
Allow from all
</Proxy>
<Location />
ProxyPass http://192.168.1.101/
ProxyPassReverse http://192.168.1.101/
</Location>
</VirtualHost>

This is an example to redirect only http but i want to redirect owncloud to https if i enter owncloud.domain.com
any help??

 

any help?

 

if someone can help help me i can help with some $$$