Air Miles Calculator

Distance between Seattle, WA (SEA) and Reading, PA (RDG)

Distance from Seattle to Reading (Seattle–Tacoma International Airport – Reading Regional Airport) is 2328 miles / 3746 kilometers / 2023 nautical miles.

How far is Reading from Seattle?

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

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).

Flight duration

Estimated flight time from Seattle–Tacoma International Airport (SEA) to Reading Regional Airport (RDG) is 4 hours 54 minutes.

Time difference and current local times

The time difference between Seattle and Reading is 3 hours. Reading is 3 hours ahead of Seattle.

Time Difference

Seattle
Reading

Seattle, WA

 PDT

Reading, PA

 EDT

Carbon dioxide emissions

Estimated CO2 emissions per passenger is 259 kg (572 pounds).

Airport information


A 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

B 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

Seattle to Reading flight path

Shortest flight path between Seattle–Tacoma International Airport (SEA) and Reading Regional Airport (RDG).

Frequent Flyer Miles Calculator

Seattle (SEA) → Reading (RDG).

Elite level bonus (%):
Booking class bonus (%):
Air miles:
2328
Elite level bonus:
0
Booking class bonus:
0

In total

Total frequent flyer miles:
2328

Round trip?