Miles between Ontario, CA and Greensboro, NC

There are
2,444 mi
from Ontario, CA to Greensboro, NC

That's the driving distance. It would take 1 day 19 hours to go from Ontario, California to Greensboro, North Carolina.

The flight distance (direct flight from Ontario, CA to Greensboro, NC) is 2,131.99 mi.

2,444 mi = 3.22 kms