Washington State Highway 20

 Upload a photo

WA 20 is the longest highway in the state of Washington at 436.13 miles. From US Highway 101 at Discovery Bay, it heads east to Port Townsend then starts again across the water. It crosses Interstate 5 at Burlington and continues east through North Cascades National Park. It joins US 97 south of Omak and breaks off at Tonasket. It joins US 395 for a short bit near Kettle Falls. From Colville, WA 20 goes northeast to Tiger, then southeast to US 2 about 400 feet from the Idaho border.
Nearby cities:
Coordinates:   48°37'26"N   120°50'23"W
  •  131 km
  •  154 km
  •  171 km
  •  191 km
  •  194 km
  •  197 km
  •  273 km
  •  285 km
  •  357 km
  •  364 km
This article was last modified 10 years ago