Nonstop flight route between Southend, Essex (near London) United Kingdom and Challis, Idaho, United States:

About this route:

A direct, nonstop flight between London Southend Airport (SEN), Southend, Essex (near London) United Kingdom and Challis Airport (CHL), Challis, Idaho, United States would travel a Great Circle distance of 4,749 miles (or 7,643 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 London Southend Airport and Challis 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 London Southend Airport and Challis 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 London Southend Airport (SEN):

• National Commuter Airways operated passenger services during the 1980s, to Brussels and Jersey from Southend.
• The closest airport to London Southend Airport (SEN) is Rochester Airport (RCS), which is located only 17 miles (28 kilometers) SSW of SEN.
• London Southend Airport (SEN) currently has only 1 runway.
• The furthest airport from London Southend Airport (SEN) is Chatham Islands (CHT), which is located 11,885 miles (19,126 kilometers) away in Waitangi, Chatham Islands, New Zealand.
• In 1946, the airfield was decommissioned from military use and civil aviation returned in 1947, as did the Southend Municipal Airport name.
• London Southend Airport handled 969,912 passengers last year.
• The airport is served by buses operated by Arriva Southend from the airport entrance to Southend, Rochford, Ashingdon, Hawkwell, Hockley, Eastwood and Rayleigh.
• Because of London Southend Airport's relatively low elevation of 55 feet, planes can take off or land at London Southend 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.
• The airport provides RFF Cat 6 between 06:00 – 00:00, RFF Cat 1 between 00:00 – 06:00.
• Southend Airport has an excellent weather record and is used by airlines as a diversion alternative when adverse weather or incidents close other London airports.

Facts about Challis Airport (CHL):

• In addition to being known as "Challis Airport", another name for CHL is "LLJ".
• Because of Challis Airport's high elevation of 5,072 feet, planes must typically fly at a faster airspeed in order to takeoff or land at CHL. Combined with a high temperature, this could make CHL a "Hot & High" airport, where the air density is lower than it would otherwise be at sea level.
• Challis Airport (CHL) currently has only 1 runway.
• The closest airport to Challis Airport (CHL) is Lemhi County Airport (SMN), which is located 45 miles (72 kilometers) NNE of CHL.
• The furthest airport from Challis Airport (CHL) is Pierrefonds Airport (ZSE), which is located 10,728 miles (17,265 kilometers) away in Saint-Pierre, Réunion.