Miles between Ontario, CA and Key West, FL

There are
2,855 mi
from Ontario, CA to Key West, FL

That's the driving distance. It would take 2 days 3 hours to go from Ontario, California to Key West, Florida.

The flight distance (direct flight from Ontario, CA to Key West, FL) is 2,245.66 mi.

2,855 mi = 3.22 kms