The journey from Seattle to Washington DC covers over 3,700 kilometers. A non-stop flight takes about 5 hours, making it the most practical option. Washington DC is the nation's capital, known for its monuments and museums. Driving is a multi-day journey across the country.
Total Distance: 3,700 km driving, 3,700 km air distance.
DCA is closer to downtown; IAD is further away.
Spring and Fall for the best weather.