Online Route Maps Is There Any "maps" Online Wher I Can Plug In Multiple Locations & It'd Calculate The BEST Way To Get To Each?

Is there any "maps" online wher I can plug in multiple locations & it'd calculate the BEST way to get to each? - online route maps

I have to draw some parts of the city of 1 to 7 Interbus situation is different and I wonder how to do it most effectively - is there an online mapper / guide for navigating the best way to 't go around double-locked?

Thanks for all ideas.