Flight Tacoma International Airport departs from Seattle Tacoma International Airport at 13:25 and arrives at Amsterdam Amsterdam Airport Schiphol at 08:10.
The flighttime is about 9h 45m. The distance travelled ("as the bird flies"): 14114 Km. So the average speed is roughly 1448 Km.
There is an 9 hour time difference between Seattle and Amsterdam
MYR