Ronald Reagan Washington National Airport is just across the Potomac from downtown Washington, with a Metro station at the terminal — close enough that it is often faster to reach than a cross-town taxi. The current schedule feed lists 126 airports in 4 countries connected to Washington.
Its most distinctive feature is the airspace: to keep aircraft clear of restricted zones over the capital, pilots fly the River Visual approach, banking along the curves of the Potomac with the Washington Monument and the Lincoln Memorial out the left window. A perimeter rule caps most nonstop flights at 1,250 miles.
The most frequently served routes for Ronald Reagan Washington National Airport connect to Boston (BOS), Atlanta (ATL) and Chicago (ORD).
The longest connected route for Ronald Reagan Washington National Airport reaches San Francisco (SFO). This non-stop flight covers a distance of 2,436 miles (3,921 km).