I kept track again this week.  We rented a zipcar on Thursday to pick up Noah from the beach and run errands.
So, last  week, here's how I got around:
Monday:
walking:  2 miles   
bike:  4 miles
Tuesday:
walking: 2 miles
bike:  11.2 miles  (SUPER hot outside on this day.  I was pretty wiped out.)
Wednesday:
walking:  4 mile
bike:  0 miles
boat:  35 miles (Tracy and I took the ferry from Boston to Salem.  It's about a 50-minute ride.  $20 round trip.  I love being able to get around by boat, and it was the perfect way to travel on a very hot day.)
T:  8 miles
Thursday:
walking: 3 miles
bike:  2 miles
zipcar:  180 miles
Friday:
walking:  3.5 miles
bike:  4.5 miles
Saturday:
walking: 2 miles
bike:  6.8 miles
Sunday:
walking:  2 miles  
bike:  4 miles 
Totals:
walking:  18.5 miles 
bike:  32.5 miles
T: 8 miles
Car:  180 miles
Boat:  35 miles