Miles between Greeley, CO and Grass Valley, CA

There are
1,091 mi
from Greeley, CO to Grass Valley, CA

That's the driving distance. It would take 18 hours 37 mins to go from Greeley, Colorado to Grass Valley, California.

The flight distance (direct flight from Greeley, CO to Grass Valley, CA) is 870.47 mi.

1,091 mi = 1.61 kms