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How far is Seattle, WA, from Reading, PA?

The distance between Reading (Reading Regional Airport) and Seattle (Seattle–Tacoma International Airport) is 2328 miles / 3746 kilometers / 2023 nautical miles.

The driving distance from Reading (RDG) to Seattle (SEA) is 2766 miles / 4452 kilometers, and travel time by car is about 49 hours 30 minutes.

Reading Regional Airport – Seattle–Tacoma International Airport

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2328
Miles
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3746
Kilometers
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2023
Nautical miles

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Distance from Reading to Seattle

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

Vincenty's formula (applied above)
  • 2327.897 miles
  • 3746.387 kilometers
  • 2022.887 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
  • 2321.918 miles
  • 3736.766 kilometers
  • 2017.692 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 Reading to Seattle?

The estimated flight time from Reading Regional Airport to Seattle–Tacoma International Airport is 4 hours and 54 minutes.

Flight carbon footprint between Reading Regional Airport (RDG) and Seattle–Tacoma International Airport (SEA)

On average, flying from Reading to Seattle generates about 255 kg of CO2 per passenger, and 255 kilograms equals 563 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.

Map of flight path and driving directions from Reading to Seattle

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

Airport information

Origin Reading Regional Airport
City: Reading, PA
Country: United States Flag of United States
IATA Code: RDG
ICAO Code: KRDG
Coordinates: 40°22′42″N, 75°57′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