The drive from Garden Grove to San Bernardino is a 50-mile trip. You will head east on CA-91 and then north on I-215. Expect a travel time of about 60 minutes depending on traffic. It is a very straightforward drive in the heart of Southern California.
Total Distance: 80 km driving distance; 70 km straight-line air distance.
Traffic can be heavy on CA-91 and I-215; plan accordingly.
Any time of day, but avoid rush hour traffic.