Miles between San Marcos, CA and Boulder City, NV

There are
309 mi
from San Marcos, CA to Boulder City, NV

That's the driving distance. It would take 5 hours 49 mins to go from San Marcos, California to Boulder City, Nevada.

The flight distance (direct flight from San Marcos, CA to Boulder City, NV) is 236.65 mi.

309 mi = 496.53 kms