From Portland, Tacoma, Seattle,
I-5 North from Seattle to Peace Arch Border
Crossing...about 90 miles. Proceed North on Hwy 99
to Hwy17 Tsawwassen exit, then west another 10 miles to
Pt. Roberts Border crossing.
on Hwy 99 to Hwy17 (about 20 miles) west at Tsawwassen
exit then on through Point Roberts Border crossing.