Hi, I run two separate businesses from my home location and provide a mobile service nationwide. I can be in north Scotland one day and then down south/Hastings the next. I'd like to show up in search for the whole of England because I do service these areas, would it be OK to include all major cities of England in my service locations or is it best to use something like "800 Miles radius from my home location"?
Re: Nationwide service
from a technical point of view it's possible.
But from our experiences is having a Service Area of more then -lets say- 30 or 35 miles radius of no benefit for ranking the listing at all.
Helmut Geissler, Google My Business Top Contributor | my G+ profile