Shared route
From San Antonio Rd to Boonville via San Antonio Rd and Pt. Reyes - Petaluma Rd.
3 hr 48 min (139 mi)
3 hr 48 min in current traffic
Avoiding highways
1. Head southwest on San Antonio Rd
2. Turn left to stay on San Antonio Rd
3. Turn left onto D St/D street Extension
4. Turn right onto Hicks Valley Rd
5. Arrive at location: Lincoln Elementary
6. Head northwest on Hicks Valley Rd toward 3 Peaks Fire Rd
7. Turn right onto Wilson Hill Rd
8. Arrive at location: 2500 Chileno Valley Rd
9. Head northeast on Wilson Hill Rd toward Chileno Valley Rd
10. Turn left onto Chileno Valley Rd
11. Arrive at location: 1128-1380 Tomales Petaluma Rd
12. Head north on Chileno Valley Rd toward Tomales Petaluma Rd
13. Turn left onto Tomales Petaluma Rd
14. Arrive at location: Tomales Petaluma Rd
15. Head north on Alexander Rd toward Fallon-Two Rock Rd
16. Turn left onto Fallon-Two Rock Rd
17. Turn right onto Carmody Rd
18. Turn right onto Valley Ford Rd
19. Arrive at location: 9500-9578 Valley Ford Rd
20. Head northwest on Valley Ford Rd toward Carmody Rd/Smith Rd
21. Turn right onto Freestone Valley Ford Rd (signs for Occidental/Monte Rio)
22. Turn right onto Bodega Hwy (signs for Occidental/Monte Rio/Sebastopol)
23. Turn left onto Bohemian Hwy
24. Arrive at location: Freestone
25. Head west on Bohemian Hwy toward Freestone St
26. Continue straight onto Main St
27. Turn right onto Bohemian Hwy
28. Turn left onto River Blvd
29. Arrive at location: Monte Rio
30. Head southwest on River Blvd toward Bohemian Hwy
31. Turn right onto Bohemian Hwy
32. Turn left onto CA-116 W (signs for State Route 116 W/Jenner)
33. Turn right onto CA-1 N
34. Turn left onto Port Rd
35. Arrive at location: Point Arena
36. Head east on Port Rd toward Main St
37. Turn left onto Main St
38. Turn left onto CA-1 N/School St
39. Turn right onto Mountain View Rd
40. Turn right onto CA-128 E
41. Arrive at location: Boonville
So, now you're in Boonville. Take 128 south to Cloverdale and work your way along Dutcher Creek Rd to eventually get on Skaggs-Springs Rd to Stewart Point on 1. Then, you're on your own.
Sorry but I blew the screen shot of the route.