Dana Point Harbor. 96 Miles.

0.0 R San Marcos
2.4 = Palomar Airport
8.1 R Paseo del Norte
9.2 L Cannon
9.7 R Carlsbad Blvd
12.7 L Eaton
12.8 R Broadway
13.2 L Cassiday
13.3 R Meyers
13.5 L Morse
13.6 R Pacific
15.9 R Harbor S
16.2 R Harbor
16.6 = Vandegrift
16.7 Enter Camp Pendleton
18.3 L Stuart Mesa
25.4 L Las Pulgas
30.0 R onto bike path
29.5 = San Onofre State Park
35.3 L hole in fence before
  crossing I5 after San
  Onofree nuclear plant
36.5 R Cristinos
36.5 L El Camino Real
41.3 = Pacific Coast Hwy
44.4 L Coast Hwy exit toward
  Dana Point.
45.0  Exit to Dana Pt Harbor. 
45.4  Follow to end of the harbor.
Return on the same route.