How far is Seattle, WA, from Watertown, SD?

The distance between Watertown (Watertown Regional Airport) and Seattle (Seattle–Tacoma International Airport) is 1214 miles / 1954 kilometers / 1055 nautical miles.

The driving distance from Watertown (ATY) to Seattle (SEA) is 1573 miles / 2531 kilometers, and travel time by car is about 27 hours 7 minutes.

Distance from Watertown to Seattle

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

Vincenty's formula (applied above)

• 1213.984 miles
• 1953.718 kilometers
• 1054.923 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

• 1210.595 miles
• 1948.263 kilometers
• 1051.978 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 Watertown to Seattle?

The estimated flight time from Watertown Regional Airport to Seattle–Tacoma International Airport is 2 hours and 47 minutes.

What is the time difference between Watertown and Seattle?

The time difference between Watertown and Seattle is 2 hours. Seattle is 2 hours behind Watertown.

Flight carbon footprint between Watertown Regional Airport (ATY) and Seattle–Tacoma International Airport (SEA)

On average, flying from Watertown to Seattle generates about 162 kg of CO2 per passenger, and 162 kilograms equals 357 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.

Map of flight path and driving directions from Watertown to Seattle

See the map of the shortest flight path between Watertown Regional Airport (ATY) and Seattle–Tacoma International Airport (SEA).

Airport information

Origin	Watertown Regional Airport
City:	Watertown, SD
Country:	United States
IATA Code:	ATY
ICAO Code:	KATY
Coordinates:	44°54′50″N, 97°9′16″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