Air Miles Calculator

Distance between Charleston, SC (CHS) and Seattle, WA (SEA)

Flight distance from Charleston to Seattle (Charleston International Airport – Seattle–Tacoma International Airport) is 2415 miles / 3886 kilometers / 2098 nautical miles. Estimated flight time is 5 hours 4 minutes.

Driving distance from Charleston (CHS) to Seattle (SEA) is 2965 miles / 4772 kilometers and travel time by car is about 49 hours 29 minutes.

Map of flight path and driving directions from Charleston to Seattle.

Shortest flight path between Charleston International Airport (CHS) and Seattle–Tacoma International Airport (SEA).

How far is Seattle from Charleston?

There are several ways to calculate distances between Charleston and Seattle. Here are two common methods:

Vincenty's formula (applied above)
  • 2414.732 miles
  • 3886.135 kilometers
  • 2098.345 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
  • 2410.336 miles
  • 3879.060 kilometers
  • 2094.525 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).

Airport information


A Charleston International Airport
City: Charleston, SC
Country: United States Flag of United States
IATA Code: CHS
ICAO Code: KCHS
Coordinates: 32°53′54″N, 80°2′25″W

B 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

Time difference and current local times

The time difference between Charleston and Seattle is 3 hours. Seattle is 3 hours behind Charleston.

Time Difference

Charleston, SC

 EST

Seattle, WA

 PST

Carbon dioxide emissions

Estimated CO2 emissions per passenger is 265 kg (585 pounds).

Frequent Flyer Miles Calculator

Charleston (CHS) → Seattle (SEA).

Distance:
2415
Elite level bonus:
0
Booking class bonus:
0

In total

Total frequent flyer miles:
2415

Round trip?