The drive from Jefferson to Seattle is approximately 4,600 kilometers. You will head north to I-90 and follow it west through Tennessee, Missouri, Nebraska, Wyoming, Montana, Idaho, and into Washington. This journey takes about 46 hours of driving time. It is a major cross-country trip that requires multiple days.
Total Distance: 4,600 km driving distance; 3,800 km straight-line air distance.
This is a multi-day trip; plan for overnight stops.
July to September for mild weather.