Using WP Google Map plugin you can insert post location with the help of custom fields and display with the Geo tags.

Show Post location using Custom fields

Step 1Go to Posts and click on Add New.
Step 2Enter the title , insert the content for post and set the featured image.
Step 3Now assign location using custom fields.It is hidden by default and you need to use the screen options at the top of the posts and enable ‘custom fields’.
 

After that, the box appears at the bottom of the editor screen.
Step 4Here, you can easily add any custom field post you like. All you need to do is give it a name and a value.
 

Step 5Go to Add or Edit Page and scroll down to ‘Geo Tags section‘.
Step 6Enable ‘Geo Tags’ and insert the name of the custom fields in post type.
 

Step 7Click Save map and open the browser.

Now you will see Custom Fields Post location will display in your map.
 

Video Tutorial