The distance from Issaquah to Washington, D.C., is approximately 4,500 kilometers. The most practical way to travel is by flying from Seattle-Tacoma International Airport (SEA) to Washington Dulles International Airport (IAD) or Ronald Reagan Washington National Airport (DCA). The flight takes about 5.5 hours. Driving is not recommended due to the cross-country distance.
Total Distance: 4,500 km driving, 3,700 km air distance.
Direct flights are available and recommended.
Spring for the Cherry Blossom Festival or autumn for mild weather.