You probably knew that you could use the Maps app in Mavericks to get directions. And likewise with the Maps app on your iPhone. But you can also figure out a route on your Mac and then send it to your iPhone. After getting Directions, choose File, Share and you should see your iPhone in the list as long as you are logged into the same iCloud account. Then on your iPhone, tap the Directions button at the upper left and you will see the route in the list.
You can copy and paste to export images from the Maps app into other apps such as Keynote and Pages. You can use this to easily add maps and satellite views to your presentations and documents.
In addition to getting transit directions in Apple Maps on your Mac and iOS devices, you can also simply view transit routes. Turning on the Transit mode will show you major routes like light rail and subways. You can also zoom in to see bus stops and then view an entire bus route.
You can use actual latitude and longitude numbers with the Maps app on your Mac. You can get these numbers for a location in two different ways. You can also put these numbers into the search field to go right to a specific location.
You can get directions using the Maps app on your Mac, and then send those directions to your iPhone. You an also set points or create favorite locations one one devices and then share it with the other.
With the Maps app in El Capitan you can now search for transit directions. If this is available in your city, you'll be able to see how to get from one point to another using public transportation. You can specify the start time or arrival time and often can choose between many options. You can share these directions with your mobile device or print them. You can also simply view transit lines without setting start and end points.