A solution for:
The problem with Google Now’s predictions though is that sometimes they can be inaccurate from the start or take a little longer to adapt to change. Moved your home? Switched jobs? Went for a month or two to a vacation house? Google Now might stubbornly want to keep your old addresses.
Source: PSA: Manually Assign Any Coordinates As Your Home Or Work Address In Google Maps And Google Now
–jeroen
The Wiert Corner - irregular stream of stuff 