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How far is Gillam from Williston, ND?

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

The driving distance from Williston (XWA) to Gillam (YGX) is 999 miles / 1608 kilometers, and travel time by car is about 23 hours 35 minutes.

Williston Basin International Airport – Gillam 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 Williston to Gillam

There are several ways to calculate the distance from Williston to Gillam. 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 Williston to Gillam?

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

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

On average, flying from Williston to Gillam 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 Williston to Gillam

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

Airport information

Origin 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
Destination Gillam Airport
City: Gillam
Country: Canada Flag of Canada
IATA Code: YGX
ICAO Code: CYGX
Coordinates: 56°21′26″N, 94°42′38″W