The journey from Pagosa Springs to Washington, D.C. is a massive cross-country trip of approximately 3,000 kilometers. Driving is not recommended for most travelers due to the 30+ hour duration. Flying is the only practical option, with flights from Durango-La Plata County Airport connecting to Washington's major airports (IAD, DCA, or BWI) via Denver or other hubs.
Total Distance: 3,000 km driving distance; 2,600 km straight-line air distance.
United has a major hub at IAD, making connections easy.
Spring and Autumn are best to avoid the hot and humid DC summer and the cold winter.