Portland, OR to San Jose, CA.
Plane - 2 hours and costs $180.
Train - 25(!) hours and costs... $170.
There's just no way ground-based mass transit in its current format competes city-to-city.
Follow
If the train was something like 13hrs it might actually have been competitive if it was a night train. (I'm pointing this out, because there's a range of travel times where travel taking longer might not be a bad thing and might be actively preferred by many people.)
@robryk Unfortunately, Amtrak runs very few night trains. I don't know why.