Flew DEN:IAD:MAD Flew Denver (DEN) to Dulles (IAD). 1,448 mi on United Airlines in 3h, 18m. Flew Dulles (IAD) to Madrid (MAD). 3,804 mi on United Airlines in 8h, 00m. Shortlink:Share this: Click to share on X (Opens in new window) X Click to share on LinkedIn (Opens in new window) LinkedIn Click to share on Pocket (Opens in new window) Pocket Click to print (Opens in new window) Print Like this:Like Loading... Similar Entries