There are
1,553 mi
from Longview, TX to Monrovia, CA
That's the driving distance. It would take 1 day 2 hours to go from Longview, Texas to Monrovia, California.
The flight distance (direct flight from Longview, TX to Monrovia, CA) is 1,344.86 mi.
1,553 mi = 1.61 kms