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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–Tacoma International Airport) is 768 miles / 1235 kilometers / 667 nautical miles.

The driving distance from Rock Springs (RKS) to Seattle (SEA) is 987 miles / 1588 kilometers, and travel time by car is about 17 hours 12 minutes.

Southwest Wyoming Regional Airport – Seattle–Tacoma International Airport

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768
Miles
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1235
Kilometers
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667
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)
  • 767.507 miles
  • 1235.183 kilometers
  • 666.945 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
  • 766.117 miles
  • 1232.945 kilometers
  • 665.737 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–Tacoma International Airport is 1 hour and 57 minutes.

Flight carbon footprint between Southwest Wyoming Regional Airport (RKS) and Seattle–Tacoma International Airport (SEA)

On average, flying from Rock Springs to Seattle generates about 132 kg of CO2 per passenger, and 132 kilograms equals 290 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–Tacoma International Airport (SEA).

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–Tacoma International Airport
City: Seattle, WA
Country: United States Flag of United States
IATA Code: SEA
ICAO Code: KSEA
Coordinates: 47°26′56″N, 122°18′32″W