I’ll discuss with the devs if it’s possible to zoom out the map on the right click and will update you tomorrow.
Regarding the map styles, indeed Google Maps and Store Locator widgets are using different maps. At the moment, it’s impossible to use the map from the Google Maps widget in Store Locator, but we have this idea on the Wishlist. Feel free to upvote it 
- Make the map in the Store Locator widget look the same as in Google Maps.
The only workaround at the moment is to change the existing Map Color Scheme. Here is how the map looks with the Light Color Scheme:
