Using Google maps for 'closest store' page
I'm wanting to find my way around google maps and using it to put together some basic applications.
I'm currently looking at building a basic app that would allow users to enter their post code/area code, and then get presented with a map showing the closest 'stores' in relation to that area.
Can someone please point me in the direction of a good tutorial that would run me through the basics of creating something like this?
Here's an example of what I'm talking about: