Miles between San Marcos, CA and New Castle, IN

There are
2,141 mi
from San Marcos, CA to New Castle, IN

That's the driving distance. It would take 1 day 13 hours to go from San Marcos, California to New Castle, Indiana.

The flight distance (direct flight from San Marcos, CA to New Castle, IN) is 1,815.79 mi.

2,141 mi = 3.22 kms