Nonstop flight route between Guernsey, Channel Islands, United Kingdom and Helena, Montana, United States:

About this route:

A direct, nonstop flight between Guernsey Airport (GCI), Guernsey, Channel Islands, United Kingdom and Helena Regional Airport (HLN), Helena, Montana, United States would travel a Great Circle distance of 4,573 miles (or 7,360 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 Guernsey Airport and Helena Regional 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 Guernsey Airport and Helena Regional 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 Guernsey Airport (GCI):

• The airport was officially opened on 5 May 1939.
• The furthest airport from Guernsey Airport (GCI) is Dunedin International Airport (DUD), which is nearly antipodal to Guernsey Airport (meaning Guernsey Airport is almost on the exact opposite side of the Earth from Dunedin International Airport), and is located 12,024 miles (19,350 kilometers) away in Dunedin, Otago, New Zealand.
• The proposal is to add runway safety areas, RESAs, extend the take-off section by 120 m, and displace the landing section to the west, the first of a two phase runway extension.
• Flybe are unable to operate their Embraer 195 aircraft into Guernsey due to the low strength of the runway, and elected to operate the smaller de Havilland Dash 8s.
• Because of Guernsey Airport's relatively low elevation of 336 feet, planes can take off or land at Guernsey 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.
• Guernsey Airport (GCI) currently has only 1 runway.
• On 7 December 1997 an F-27 operated by AirUK arriving from Southampton overshot the runway while landing in high cross winds.
• Guernsey Airport handled 886,396 passengers last year.
• The closest airport to Guernsey Airport (GCI) is Jersey Airport (JER), which is located 24 miles (39 kilometers) SE of GCI.

Facts about Helena Regional Airport (HLN):

• The closest airport to Helena Regional Airport (HLN) is Bert Mooney Airport (BTM), which is located 51 miles (83 kilometers) SSW of HLN.
• The furthest airport from Helena Regional Airport (HLN) is Sir Gaëtan Duval Airport (RRG), which is located 10,563 miles (17,000 kilometers) away in Rodrigues Island, Mauritius.
• Helena Regional Airport (HLN) has 3 runways.
• The National Plan of Integrated Airport Systems for 2011–2015 categorized it as a primary commercial service airport.Federal Aviation Administration records say the airport had 85,649 passenger boardings in calendar year 2008, 88,314 in 2009 and 98,193 in 2010.
• In addition to being known as "Helena Regional Airport", another name for HLN is "Helena Army Airfield".