There are
2,972 mi
from Nashua, NH to San Jacinto, CA
That's the driving distance. It would take 2 days 5 hours to go from Nashua, New Hampshire to San Jacinto, California.
The flight distance (direct flight from Nashua, NH to San Jacinto, CA) is 2,512.24 mi.
2,972 mi = 4,783.18 kms