There are
2,099 mi
from Temecula, CA to New Castle, IN
That's the driving distance. It would take 1 day 13 hours to go from Temecula, California to New Castle, Indiana.
The flight distance (direct flight from Temecula, CA to New Castle, IN) is 1,805.07 mi.
2,099 mi = 3,377.62 kms