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How far is Seattle, WA, from Rock Springs, WY?

The distance between Rock Springs (Southwest Wyoming Regional Airport) and Seattle (Seattle Boeing Field) is 770 miles / 1239 kilometers / 669 nautical miles.

The driving distance from Rock Springs (RKS) to Seattle (BFI) is 985 miles / 1585 kilometers, and travel time by car is about 17 hours 9 minutes.

Southwest Wyoming Regional Airport – Seattle Boeing Field

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770
Miles
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1239
Kilometers
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669
Nautical miles

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Distance from Rock Springs to Seattle

There are several ways to calculate the distance from Rock Springs to Seattle. Here are two standard methods:

Vincenty's formula (applied above)
  • 769.766 miles
  • 1238.819 kilometers
  • 668.909 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
  • 768.385 miles
  • 1236.595 kilometers
  • 667.708 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 Rock Springs to Seattle?

The estimated flight time from Southwest Wyoming Regional Airport to Seattle Boeing Field is 1 hour and 57 minutes.

Flight carbon footprint between Southwest Wyoming Regional Airport (RKS) and Seattle Boeing Field (BFI)

On average, flying from Rock Springs to Seattle generates about 132 kg of CO2 per passenger, and 132 kilograms equals 291 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.

Map of flight path and driving directions from Rock Springs to Seattle

See the map of the shortest flight path between Southwest Wyoming Regional Airport (RKS) and Seattle Boeing Field (BFI).

Airport information

Origin Southwest Wyoming Regional Airport
City: Rock Springs, WY
Country: United States Flag of United States
IATA Code: RKS
ICAO Code: KRKS
Coordinates: 41°35′39″N, 109°3′54″W
Destination Seattle Boeing Field
City: Seattle, WA
Country: United States Flag of United States
IATA Code: BFI
ICAO Code: KBFI
Coordinates: 47°31′47″N, 122°18′7″W