There are
1,413 mi
from Waco, TX to Monrovia, CA
That's the driving distance. It would take 1 day to go from Waco, Texas to Monrovia, California.
The flight distance (direct flight from Waco, TX to Monrovia, CA) is 1,221.60 mi.
1,413 mi = 2,273.76 kms