The distance from Santa Rosa to Washington, D.C. is over 2,800 miles. Flying from STS to Dulles International Airport (IAD) is the most efficient method. Driving is not recommended due to the 42-hour duration. Washington, D.C. is the capital of the United States and home to many national monuments.
Total Distance: 4,500 km driving, 4,000 km air distance.
United has a major hub at IAD, offering many connections.
Spring and Fall for pleasant weather.