There are
2,303 mi
from Greenville, SC to Monrovia, CA
That's the driving distance. It would take 1 day 16 hours to go from Greenville, South Carolina to Monrovia, California.
The flight distance (direct flight from Greenville, SC to Monrovia, CA) is 2,017.45 mi.
2,303 mi = 3,706.94 kms