There are
1,959 mi
from San Bernardino, CA to Frankfort, IL
That's the driving distance. It would take 1 day 10 hours to go from San Bernardino, California to Frankfort, Illinois.
The flight distance (direct flight from San Bernardino, CA to Frankfort, IL) is 1,676.96 mi.
1,959 mi = 1.61 kms