Nonstop flight route between Guernsey, Channel Islands, United Kingdom and Williston, North Dakota, United States:
Departure Airport:

Arrival Airport:

Distance from GCI to ISN:
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- About this route
- GCI Airport Information
- ISN Airport Information
- Facts about GCI
- Facts about ISN
- Map of Nearest Airports to GCI
- List of Nearest Airports to GCI
- Map of Furthest Airports from GCI
- List of Furthest Airports from GCI
- Map of Nearest Airports to ISN
- List of Nearest Airports to ISN
- Map of Furthest Airports from ISN
- List of Furthest Airports from ISN
About this route:
A direct, nonstop flight between Guernsey Airport (GCI), Guernsey, Channel Islands, United Kingdom and Sloulin Field International Airport (ISN), Williston, North Dakota, United States would travel a Great Circle distance of 4,223 miles (or 6,795 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 Sloulin Field International 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 Sloulin Field International Airport. You'll see that it will travel the same route of the red line on this map!
Departure Airport Information:
IATA / ICAO Codes: | GCI / EGJB |
Airport Name: | Guernsey Airport |
Location: | Guernsey, Channel Islands, United Kingdom |
GPS Coordinates: | 49°26'4"N by 2°36'6"W |
Area Served: | Guernsey |
Operator/Owner: | States of Guernsey |
Airport Type: | Public |
Elevation: | 336 feet (102 meters) |
# of Runways: | 1 |
View all routes: | Routes from GCI |
More Information: | GCI Maps & Info |
Arrival Airport Information:
IATA / ICAO Codes: | ISN / KISN |
Airport Name: | Sloulin Field International Airport |
Location: | Williston, North Dakota, United States |
GPS Coordinates: | 48°10'41"N by 103°38'31"W |
Area Served: | Williston, North Dakota |
Operator/Owner: | City of Williston |
Airport Type: | Public |
Elevation: | 1982 feet (604 meters) |
# of Runways: | 2 |
View all routes: | Routes from ISN |
More Information: | ISN Maps & Info |
Facts about Guernsey Airport (GCI):
- On 12 January 1999 a F-27 operating a cargo flight for Channel Express arriving from Luton crashed short of runway 27 after deploying full flap on approach.
- Guernsey Airport (GCI) currently has only 1 runway.
- The closest airport to Guernsey Airport (GCI) is Jersey Airport (JER), which is located 24 miles (39 kilometers) SE of GCI.
- 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.
- 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.
- Work started on a new terminal building in 2002, which became operational on 19 April 2004.
- 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 handled 886,396 passengers last year.
Facts about Sloulin Field International Airport (ISN):
- The furthest airport from Sloulin Field International Airport (ISN) is Sir Gaëtan Duval Airport (RRG), which is located 10,343 miles (16,646 kilometers) away in Rodrigues Island, Mauritius.
- Sloulin Field International Airport (ISN) has 2 runways.
- ISN is mostly used for general aviation but is served by United Express, with three flights a day with service to Denver, and Delta Connection, with three flights a day with service to Minneapolis-St.
- The closest airport to Sloulin Field International Airport (ISN) is Sidney-Richland Municipal Airport (SDY), which is located 41 miles (67 kilometers) SW of ISN.