Air Miles Calculator logo

How far is Seattle, WA, from Rapid City, SD?

The distance between Rapid City (Rapid City Regional Airport) and Seattle (Seattle–Tacoma International Airport) is 957 miles / 1541 kilometers / 832 nautical miles.

The driving distance from Rapid City (RAP) to Seattle (SEA) is 1154 miles / 1857 kilometers, and travel time by car is about 21 hours 1 minutes.

Rapid City Regional Airport – Seattle–Tacoma International Airport

Distance arrow
957
Miles
Distance arrow
1541
Kilometers
Distance arrow
832
Nautical miles

Search flights

Distance from Rapid City to Seattle

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

Vincenty's formula (applied above)
  • 957.357 miles
  • 1540.716 kilometers
  • 831.920 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
  • 954.833 miles
  • 1536.655 kilometers
  • 829.727 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 Rapid City to Seattle?

The estimated flight time from Rapid City Regional Airport to Seattle–Tacoma International Airport is 2 hours and 18 minutes.

Flight carbon footprint between Rapid City Regional Airport (RAP) and Seattle–Tacoma International Airport (SEA)

On average, flying from Rapid City to Seattle generates about 148 kg of CO2 per passenger, and 148 kilograms equals 326 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.

Map of flight path and driving directions from Rapid City to Seattle

See the map of the shortest flight path between Rapid City Regional Airport (RAP) and Seattle–Tacoma International Airport (SEA).

Airport information

Origin Rapid City Regional Airport
City: Rapid City, SD
Country: United States Flag of United States
IATA Code: RAP
ICAO Code: KRAP
Coordinates: 44°2′43″N, 103°3′25″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