I came across a webpage/cell phone app the last week that I've found incredibly useful:
I'm sure most of us are familiar with using services like Google Maps to find the closest locations of particular types of things, whether you're looking for a particular restaurant, grocery store, gas station, etc.
And Google Maps is good at that - as long as you are looking for the closest example to where you are located at that moment.
But more often, I would much rather know what the most convenient locations are along a route that I need to travel. If I am driving from Akron to Fremont to Columbus to Akron, it may be more helpful to know where a post office is along that route, rather than which one is closest to my current location.
That's where Alongways comes in - you enter your beginning and ending points, and then search for a particular thing along that route. It will suggest the most convenient examples along that route (it will cast a slightly wider net over a longer route).
I've been really happy with the results so far. The webpage is free, and there is an app available for Android or iOS for $1: