What is the distance from Portsmouth NH to water town NY?

Answer 1

416 miles taking this route:

1. Take I-95 SOUTH on the New Hampshire TURNPIKE (toll) to Massachusetts where I-95 becomes toll-free.
2. Continue on I-95 in Massachusetts to I-495 SOUTH to WORCESTER at EXIT 53 in MASSACHUSETTS.
3. Take I-495 to I-90 MASSACHUSETTS TURNPIKE (toll) to Boston and ALBANY, NY.
4. Once you are past the toll booth, follow signs to I-90 TURNPIKE WEST to SPRINGFIELD and ALBANY; take I-90 WEST on the MASSACHUSETTS TURNPIKE (toll) to NEW YORK where I-90 continues as the NEW YORK (STATE) THRUWAY - BERKSHIRE CONN (toll).
5. Continue on the THRUWAY - BERKSHIRE CONN. on I-90 to I-87 THRUWAY to NEW YORK and BUFFALO. Follow signs to I-87 THRUWAY, then follow signs to I-87 THRUWAY NORTH to BUFFALO.
6. Stay on the THRUWAY on I-87 NORTH, and then, eventually, I-90 WEST to I-81 NORTH to WATERTOWN via I-481. (EXIT 34A off I-90 THRUWAY to get onto I-481, then follow signs to I-481 NORTH to OSWEGO; then EXIT at EXIT 9N to get onto I-81 NORTH towards WATERTOWN.)
7. Take I-81 NORTH to Watertown.