Cheney is near Spokane and Tacoma is near Seattle, so roughly 300 miles or ~5 hours. At the moment Snoqualmie Pass on I-90 is clear, but if the weather turns on I-90 it s going to cost you some time.
Driving (with highways and tolls) 280 miles and 4 hours 35 minutesDriving (without highways and tolls) 331 miles and 9 hours 2 minutesWalking 293 miles and 4 days
280 miles, 4 hrs 35 min as per Google Maps
much too far.google maps it
it prob takes 5 hours. it s a very long ways away