I have never been too happy with Sport Distance Calculator for map generation, but it was “good enough” when I found it last year. Jen recently clued me in to a much nicer alternative
for California: CalTopo. It allows you to draw routes on USGS 7.5′ topos, gives pretty good distance and elevation numbers if you take the time to use enough line segments, and generates great PDFs. I have updated my backpacking overview posts (High Route, Kaweah loop) to use CalTopo’s maps and stats, including multi-page, detailed PDFs.