There are
1,086 mi
from Greeley, CO to Susanville, CA
That's the driving distance. It would take 18 hours 28 mins to go from Greeley, Colorado to Susanville, California.
The flight distance (direct flight from Greeley, CO to Susanville, CA) is 837.54 mi.
1,086 mi = 1.61 kms