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How far is Seattle, WA, from St Augustine, FL?

The distance between St Augustine (Northeast Florida Regional Airport) and Seattle (Seattle–Tacoma International Airport) is 2483 miles / 3995 kilometers / 2157 nautical miles.

The driving distance from St Augustine (UST) to Seattle (SEA) is 3050 miles / 4908 kilometers, and travel time by car is about 54 hours 5 minutes.

Northeast Florida Regional Airport – Seattle–Tacoma International Airport

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2483
Miles
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3995
Kilometers
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2157
Nautical miles

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Distance from St Augustine to Seattle

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

Vincenty's formula (applied above)
  • 2482.545 miles
  • 3995.269 kilometers
  • 2157.273 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
  • 2478.948 miles
  • 3989.481 kilometers
  • 2154.147 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 St Augustine to Seattle?

The estimated flight time from Northeast Florida Regional Airport to Seattle–Tacoma International Airport is 5 hours and 12 minutes.

Flight carbon footprint between Northeast Florida Regional Airport (UST) and Seattle–Tacoma International Airport (SEA)

On average, flying from St Augustine to Seattle generates about 273 kg of CO2 per passenger, and 273 kilograms equals 602 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.

Map of flight path and driving directions from St Augustine to Seattle

See the map of the shortest flight path between Northeast Florida Regional Airport (UST) and Seattle–Tacoma International Airport (SEA).

Airport information

Origin Northeast Florida Regional Airport
City: St Augustine, FL
Country: United States Flag of United States
IATA Code: UST
ICAO Code: KSGJ
Coordinates: 29°57′33″N, 81°20′23″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