How far is Seattle, WA, from Williston, ND?
The distance between Williston (Williston Basin International Airport) and Seattle (Seattle–Tacoma International Airport) is 863 miles / 1388 kilometers / 750 nautical miles.
The driving distance from Williston (XWA) to Seattle (SEA) is 1075 miles / 1730 kilometers, and travel time by car is about 20 hours 35 minutes.
Williston Basin International Airport – Seattle–Tacoma International Airport
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Distance from Williston to Seattle
There are several ways to calculate the distance from Williston to Seattle. Here are two standard methods:
Vincenty's formula (applied above)- 862.766 miles
- 1388.487 kilometers
- 749.723 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- 860.225 miles
- 1384.398 kilometers
- 747.515 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 Seattle?
The estimated flight time from Williston Basin International Airport to Seattle–Tacoma International Airport is 2 hours and 8 minutes.
What is the time difference between Williston and Seattle?
The time difference between Williston and Seattle is 1 hour. Seattle is 1 hour behind Williston.
Flight carbon footprint between Williston Basin International Airport (XWA) and Seattle–Tacoma International Airport (SEA)
On average, flying from Williston to Seattle generates about 140 kg of CO2 per passenger, and 140 kilograms equals 310 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 Seattle
See the map of the shortest flight path between Williston Basin International Airport (XWA) and Seattle–Tacoma International Airport (SEA).
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 | Seattle–Tacoma International Airport |
|---|---|
| City: | Seattle, WA |
| Country: | United States |
| IATA Code: | SEA |
| ICAO Code: | KSEA |
| Coordinates: | 47°26′56″N, 122°18′32″W |