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How far is Williston, ND, from Gillam?

The distance between Gillam (Gillam Airport) and Williston (Williston Basin International Airport) is 677 miles / 1090 kilometers / 588 nautical miles.

The driving distance from Gillam (YGX) to Williston (XWA) is 999 miles / 1608 kilometers, and travel time by car is about 23 hours 34 minutes.

Gillam Airport – Williston Basin International Airport

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677
Miles
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1090
Kilometers
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588
Nautical miles

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Distance from Gillam to Williston

There are several ways to calculate the distance from Gillam to Williston. Here are two standard methods:

Vincenty's formula (applied above)
  • 677.233 miles
  • 1089.901 kilometers
  • 588.499 nautical miles

Vincenty's formula calculates the distance between latitude/longitude points on the earth's surface using an ellipsoidal model of the planet.

Haversine formula
  • 676.224 miles
  • 1088.277 kilometers
  • 587.622 nautical miles

The haversine formula calculates the distance between latitude/longitude points assuming a spherical earth (great-circle distance – the shortest distance between two points).

How long does it take to fly from Gillam to Williston?

The estimated flight time from Gillam Airport to Williston Basin International Airport is 1 hour and 46 minutes.

Flight carbon footprint between Gillam Airport (YGX) and Williston Basin International Airport (XWA)

On average, flying from Gillam to Williston generates about 122 kg of CO2 per passenger, and 122 kilograms equals 269 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.

Map of flight path and driving directions from Gillam to Williston

See the map of the shortest flight path between Gillam Airport (YGX) and Williston Basin International Airport (XWA).

Airport information

Origin Gillam Airport
City: Gillam
Country: Canada Flag of Canada
IATA Code: YGX
ICAO Code: CYGX
Coordinates: 56°21′26″N, 94°42′38″W
Destination Williston Basin International Airport
City: Williston, ND
Country: United States Flag of United States
IATA Code: XWA
ICAO Code: KXWA
Coordinates: 48°15′30″N, 103°44′55″W