Assuming you mean traveling by car, about 960 miles by the most direct route. I found this by using Google maps (maps.google.com)
The driving distance between Ontario, CA and Portland, OR is 998 road miles.
What is the driving distance between Portland, Or and Medford, Or?
It is 963 miles according to Google Maps.
It is 3,174 miles according to Google Maps.
115 miles
The driving distance between Redding, California and Hollywood is approximately 580 miles, with an estimated travel time of around 8-9 hours depending on traffic and road conditions.
There are 989 miles between Portland, Oregon and Anaheim, California.
the distance between San Jose and Portland is 666 miles.
the distance between Portland Or and Montreal Canada is 2,943.6 miles.
669.39 miles, using www.yahoo.com/maps,driving directions.
It is 496 miles according to Google Maps.
There are 115 miles between Portland and Newport Oregon.