The distance is 353 road miles.
The driving distance between Portland, OR and Spokane, WA is 352 miles. The driving time would be approximately 6 hours 15 minutes if driving non-stop in good conditions. (The driving time does not take into consideration conditions such as weather, road work and rush hour traffic in urban areas.)
The distance is approximately 430 road miles.
The driving distance between Greenville ME and Portland ME is 154 road miles.
About 200 road miles.
The driving distance from Spokane WA to Oakland CA is 866 road miles - about 16 hours driving time.
The driving distance from Las Vegas to Spokane is 1,052 road miles, using I-84 West.
The driving distance between Ontario, CA and Portland, OR is 998 road miles.
1,995 road miles.
The driving distance from La Pine OR to Portland OR is 192 road miles - about 4 hours driving time.
The driving distance between Portland OR and NYC is about 2,895 road miles.
The driving distance from Portland to Monterey is 734 road miles.