There are
1,643 mi
from Temecula, CA to Grain Valley, MO
That's the driving distance. It would take 1 day 4 hours to go from Temecula, California to Grain Valley, Missouri.
The flight distance (direct flight from Temecula, CA to Grain Valley, MO) is 1,330.23 mi.
1,643 mi = 1.61 kms