In checkout, order total dosent fit to page if selected shipping terminal

Try this custom css:

#mp-wc-pickup-point-shipping div{
  max-width: 270px;
}

Custom css can be entered at:
Dashboard > Appearance > Customize > Additional CSS

Some narrow mobiles will have trouble showing it correctly.

That section is not coming from WooCommerce, its coming from your shipping plugin. For a better fix, try the shipping plugin’s support service.