There are
3,106 mi
from Nashua, NH to Pittsburg, CA
That's the driving distance. It would take 2 days 7 hours to go from Nashua, New Hampshire to Pittsburg, California.
The flight distance (direct flight from Nashua, NH to Pittsburg, CA) is 2,633.49 mi.
3,106 mi = 4.83 kms