Nonstop flight route between Porto, Portugal and between Baltimore, Maryland and Washington, D.C., United States:

About this route:

A direct, nonstop flight between Francisco Sá Carneiro Airport (OPO), Porto, Portugal and Baltimore/Washington International Thurgood Marshall Airport (BWI), between Baltimore, Maryland and Washington, D.C., United States would travel a Great Circle distance of 3,495 miles (or 5,625 kilometers).

A Great Circle is the shortest distance between 2 points on a sphere. Because most world maps are flat (but the Earth is round), the route of the shortest distance between 2 points on the Earth will often appear curved when viewed on a flat map, especially for long distances. If you were to simply draw a straight line on a flat map and measure a very long distance, it would likely be much further than if you were to lay a string between those two points on a globe. Because of the large distance between Francisco Sá Carneiro Airport and Baltimore/Washington International Thurgood Marshall Airport, the route shown on this map most likely appears curved because of this reason.

Try it at home! Get a globe and tightly lay a string between Francisco Sá Carneiro Airport and Baltimore/Washington International Thurgood Marshall Airport. You'll see that it will travel the same route of the red line on this map!

Departure Airport Information:

Arrival Airport Information:

Facts about Francisco Sá Carneiro Airport (OPO):

• In addition to being known as "Francisco Sá Carneiro Airport", another name for OPO is "Aeroporto Francisco Sá Carneiro".
• It includes an area of between 72 metres in the extreme south and 43 metres in the north.
• On 25 February 2008, Airports Council International announced that according to its 2007 Airport Service Quality Survey, Porto placed first overall in Europe for service and placed fourth among airports worldwide having fewer than 5 million passengers.
• The furthest airport from Francisco Sá Carneiro Airport (OPO) is Westport Airport (WSZ), which is nearly antipodal to Francisco Sá Carneiro Airport (meaning Francisco Sá Carneiro Airport is almost on the exact opposite side of the Earth from Westport Airport), and is located 12,400 miles (19,955 kilometers) away in Westport, New Zealand.
• Francisco Sá Carneiro Airport handled 6,050,094 passengers last year.
• Because of Francisco Sá Carneiro Airport's relatively low elevation of 226 feet, planes can take off or land at Francisco Sá Carneiro Airport at a lower air speed than at airports located at a higher elevation. This is because the air density is higher closer to sea level than it would otherwise be at higher elevations.
• Francisco Sá Carneiro Airport (OPO) currently has only 1 runway.
• The closest airport to Francisco Sá Carneiro Airport (OPO) is Braga Airport (BGZ), which is located 27 miles (44 kilometers) NNE of OPO.

Facts about Baltimore/Washington International Thurgood Marshall Airport (BWI):

• The closest airport to Baltimore/Washington International Thurgood Marshall Airport (BWI) is Tipton Airport (FME), which is located only 8 miles (13 kilometers) SW of BWI.
• Baltimore/Washington International Thurgood Marshall Airport handled 22,391,785 passengers last year.
• Baltimore/Washington International Thurgood Marshall Airport has five concourses, though Concourses A and B were essentially merged into a single concourse in the renovations completed in 2005.
• Baltimore/Washington International Thurgood Marshall Airport (BWI) has 4 runways.
• Beginning in the 1980s, and later for much of the 1990s, BWI was a major hub for Piedmont Airlines and successor US Airways, but that airline's financial difficulties in the wake of the dot-com bust, the September 11 attacks, and intense low fare competition forced it to significantly reduce its presence at the airport.
• On July 12, 2013, BWI Airport and the Maryland Aviation Administration launched a 3-year $125 million construction project.
• BWI is a focus city for Southwest Airlines, and is the busiest airport in the Baltimore–Washington Metropolitan Area.
• The furthest airport from Baltimore/Washington International Thurgood Marshall Airport (BWI) is Margaret River Airport (MGV), which is located 11,691 miles (18,814 kilometers) away in Margaret River, Western Australia, Australia.
• Because of Baltimore/Washington International Thurgood Marshall Airport's relatively low elevation of 146 feet, planes can take off or land at Baltimore/Washington International Thurgood Marshall Airport at a lower air speed than at airports located at a higher elevation. This is because the air density is higher closer to sea level than it would otherwise be at higher elevations.
• Planning for a new airport on 3,200 acres to serve the Baltimore/Washington area began just after the end of World War II.