Route 66 would seem to be the obvious choice -- you don't say where in Ontario you're located, but R66's starting point Chicago is probably not too far away, and it ends right in Los Angeles.
As far as alternatives go, driving down the Trans-Canadian is famously boring, and the gas prices alone will make it much more expensive than covering the same distance in the US.
jani
Route 66
Route 66 would seem to be the obvious choice -- you don't say where in Ontario you're located, but R66's starting point Chicago is probably not too far away, and it ends right in Los Angeles.
As far as alternatives go, driving down the Trans-Canadian is famously boring, and the gas prices alone will make it much more expensive than covering the same distance in the US.