Air Miles Calculator

Distance between Seattle, WA (SEA) and Changzhou (CZX)

Distance from Seattle to Changzhou (Changzhou Benniu Airport – Seattle–Tacoma International Airport) is 5752 miles / 9257 kilometers / 4998 nautical miles.

Calculations with different methods

Vincenty's formula (applied above)
  • 5751.935 miles
  • 9256.842 kilometers
  • 4998.295 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
  • 5738.983 miles
  • 9235.998 kilometers
  • 4987.040 nautical miles

The haversine formula calculates the distance between latitude/longitude points assuming a spherical earth (great-circle distance).

Flight duration

Estimated flight time from Seattle–Tacoma International Airport (SEA) to Changzhou Benniu Airport (CZX) is 11 hours 23 minutes.

Time difference and current local times

The time difference between Seattle and Changzhou is 15 hours. Changzhou is 15 hours ahead of Seattle.

Time Difference

Seattle
Changzhou

Seattle, WA

 PDT

Changzhou

 CST

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 Changzhou Benniu Airport
City: Changzhou
Country: China Flag of China
IATA Code: CZX
ICAO Code: ZSCG
Coordinates: 31°55′10″N, 119°46′44″E

Map

Seattle to Changzhou flight map.

Frequent Flyer Miles Calculator

Seattle (SEA) → Changzhou (CZX).

Elite level bonus (%):
Booking class bonus (%):
Air miles:
5752
Elite level bonus:
0
Booking class bonus:
0

In total

Total frequent flyer miles:
5752

Round trip?