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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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.
What is the time difference between Williston and Gillam?
The time difference between Williston and Gillam is 1 hour. Gillam is 1 hour ahead of Williston.
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  |
| IATA Code: | XWA |
| ICAO Code: | KXWA |
| Coordinates: | 48°15′30″N, 103°44′55″W |
| Destination | Gillam Airport |
|---|---|
| City: | Gillam |
| Country: | Canada  |
| IATA Code: | YGX |
| ICAO Code: | CYGX |
| Coordinates: | 56°21′26″N, 94°42′38″W |