20 caches in 9 miles, or 10 in less than half that. 
Pub = Who'd a Thought It

#01 RAJ - WestWoods

#01 THE FOURTH 'TON - SILKWOOD VIEW

16 caches in 5 miles (3 others archived) Fox & Hounds pub!

33 caches in a large figure of 8 of about 7 miles - may be done as two loops of just over 3 miles each

22 caches in 3.5 miles (The Plough, Eastbury)

10 caches in 2 miles in Malmesbury - could add a couple of others if desired

17 caches placed in a loop of approximately 3 miles

24 caches (+ a couple of others) in 6 miles

15 caches (several more archived) in a medium walk