There are
1,968 mi
from San Bernardino, CA to Markham, IL
That's the driving distance. It would take 1 day 10 hours to go from San Bernardino, California to Markham, Illinois.
The flight distance (direct flight from San Bernardino, CA to Markham, IL) is 1,685.79 mi.
1,968 mi = 1.61 kms