Nonstop flight route between Willow Grove, Pennsylvania, United States and Monrovia, Liberia:

About this route:

A direct, nonstop flight between NAS JRB Willow Grove (NXX), Willow Grove, Pennsylvania, United States and Roberts International Airport Roberts Field (ROB), Monrovia, Liberia would travel a Great Circle distance of 4,617 miles (or 7,431 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 NAS JRB Willow Grove and Roberts International Airport Roberts Field, 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 NAS JRB Willow Grove and Roberts International Airport Roberts Field. 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 NAS JRB Willow Grove (NXX):

• Flight activity began here in 1926 when Harold Frederick Pitcairn constructed a hangar and a grass airstrip in Horsham, Pennsylvania.
• NAS JRB Willow Grove (NXX) currently has only 1 runway.
• The airfield shut down on March 31, 2011.
• Final closure of NAS JRB Willow Grove occurred on September 15, 2011.
• On September 30, 2007, pursuant to direction of BRAC 2005, the Air Force Reserve Command disestablished the 913th Airlift Wing at the collocated Willow Grove ARS, redistributing its C-130 Hercules aircraft to other active duty Air Force and Air Force Reserve units.
• Because of NAS JRB Willow Grove's relatively low elevation of 335 feet, planes can take off or land at NAS JRB Willow Grove 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.
• Naval Air Station Joint Reserve Base Willow Grove or NASJRB Willow Grove was a Naval Air Station owned by the U.S.
• On February 29, 2008, the Commonwealth of Pennsylvania released a report detailing a plan for a joint interagency installation, with a mission of national defense, homeland security and emergency preparedness.
• The closest airport to NAS JRB Willow Grove (NXX) is Wings Field (BBX), which is located only 8 miles (12 kilometers) SW of NXX.
• The furthest airport from NAS JRB Willow Grove (NXX) is Margaret River Airport (MGV), which is located 11,726 miles (18,871 kilometers) away in Margaret River, Western Australia, Australia.

Facts about Roberts International Airport Roberts Field (ROB):

• The furthest airport from Roberts International Airport Roberts Field (ROB) is Nauru International Airport (INU), which is nearly antipodal to Roberts International Airport Roberts Field (meaning Roberts International Airport Roberts Field is almost on the exact opposite side of the Earth from Nauru International Airport), and is located 12,001 miles (19,314 kilometers) away in Yaren, Nauru.
• Roberts International Airport, informally known as Robertsfield, is an international airport in the West African nation of Liberia.
• Roberts International Airport Roberts Field handled 133,656 passengers last year.
• From 1943 to the end of WW2 in 1945, Roberts Field Airport, as it was then known, served as an alternative base for a contingent of 26 Squadron SAAF which flew Vickers Wellington Bombers on anti submarine and convoy escort patrols over the Atlantic.
• Roberts International Airport Roberts Field (ROB) currently has only 1 runway.
• In 2012, Starbow Airlines publicly stated an intention to begin flights to Monrovia from Accra in 2013, and other reports suggested that Egyptair could resume its Cairo-Accra-Monrovia service, but as of mid-2014 neither of these developments have been realized.
• Because of Roberts International Airport Roberts Field's relatively low elevation of 31 feet, planes can take off or land at Roberts International Airport Roberts Field 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.
• The closest airport to Roberts International Airport Roberts Field (ROB) is Spriggs Payne Airport (MLW), which is located 27 miles (44 kilometers) W of ROB.
• On 5 September 2010, Delta launched once weekly flights between Atlanta and Monrovia.