Absolutely. I like to know my boundaries, like which major roads, highways, or geographical features are in which directions. Then even if I end up on a road I'm not sure about I know I'll eventually run into one of those boundary features as long as I keep going in mostly the same direction.
I always like to look at my route in advance and have a basic idea of where I'm going in case GPS doesn't work correctly or there's some other issue. Also, I find the GPS voice annoying if I already know where I'm going, so I don't use it most of the time.
There are two things that I've found my phone's GPS really useful for. One is finding local restaurants, hotels, etc. The other is helping to avoid traffic jams. It's saved me hours of time in avoiding traffic. So even if I know the route, I usually check for traffic with my phone before committing.
Someday your prints will come. -- Kodak