Miles between Fontana, CA and Lake Forest, CA

There are
50 mi
from Fontana, CA to Lake Forest, CA

That's the driving distance. It would take 1 hour 5 mins to go from Fontana, California to Lake Forest, California.

The flight distance (direct flight from Fontana, CA to Lake Forest, CA) is 34.04 mi.

50 mi = 80.52 kms