What is the driving distance from Hartford Connecticut to Portsmouth nh?

150 road miles.

1. Take I-84 EAST (towards Boston), from Hartford, to I-90 MASS. PIKE. (toll) - EAST to BOSTON.
2. Take the MASS. PIKE. (I-90) EAST to I-495 NORTH to N.H.-Maine at EXIT 11A.
3. Take I-495 NORTH to I-95 NORTH.
4. Take I-95 NORTH to Portsmouth, N.H.