Notes
returning via McDonald again, which adds 1.45 to 1.5 miles
so, since McDonald-Reservoir is 3.15+4.65=7.8
(Reservoir is 3.5+3.15=6.65, since there is Reservoir7=3.5x2)
we have 11-3.15+4.65=12.5
also, compare to McDonaldApplebee11.65
where returning via McDonald adds 1.45 to the regular
10.2 Applebee