Miles between San Marcos, CA and Idaho Falls, ID

There are
931 mi
from San Marcos, CA to Idaho Falls, ID

That's the driving distance. It would take 16 hours 3 mins to go from San Marcos, California to Idaho Falls, Idaho.

The flight distance (direct flight from San Marcos, CA to Idaho Falls, ID) is 766.80 mi.

931 mi = 1,498.38 kms