There are 2 information that need to be given :
The Ship Via info
Which requires an indication of shipping method. It can be a simple description, or it can be a carrier name and account number.
The Ship To info
Which you can pre-define each Ship To info at the Data Management > Company Information Setting > Shipping Info. Setting ( Can I pre-set shipping info ? ).
Therefore, you can simply select the pre-defined destination of this shipment from the pull-down menu.