How many miles between Ontario OR and Bellevue WA?

Answer 1

400 miles taking this route:

1. Take I-84 WEST, from Ontario, OR, to I-82 WEST to KENNEWICK at EXIT 179.
2. Take I-82 WEST to I-90 WEST to SEATTLE, in Washington state.
3. take I-90 WEST to Bellevue.