Air Miles Calculator

Distance between Rock Springs, WY (RKS) and Seattle, WA (SEA)

Flight distance from Rock Springs to Seattle (Southwest Wyoming Regional Airport – Seattle–Tacoma International Airport) is 768 miles / 1235 kilometers / 667 nautical miles. Estimated flight time is 1 hour 57 minutes.

Driving distance from Rock Springs (RKS) to Seattle (SEA) is 987 miles / 1589 kilometers and travel time by car is about 16 hours 12 minutes.

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

Shortest flight path between Southwest Wyoming Regional Airport (RKS) and Seattle–Tacoma International Airport (SEA).

How far is Seattle from Rock Springs?

There are several ways to calculate distances between Rock Springs and Seattle. Here are two common 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 earth.

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).

Airport information


A 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

B 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

Time difference and current local times

The time difference between Rock Springs and Seattle is 1 hour. Seattle is 1 hour behind Rock Springs.

Time Difference

Rock Springs, WY

 MDT

Seattle, WA

 PDT

Carbon dioxide emissions

Estimated CO2 emissions per passenger is 132 kg (290 pounds).

Frequent Flyer Miles Calculator

Rock Springs (RKS) → Seattle (SEA).

Distance:
768
Elite level bonus:
0
Booking class bonus:
0

In total

Total frequent flyer miles:
768

Round trip?