The drive from Hempstead, NY to Smithfield, NY covers 99.9 miles and takes about 2h 25m behind the wheel.
This route is realistic as a one-day drive if you keep your stops efficient.
The route leans on NY 22, I 684, Hutchinson River Parkway for much of the mileage,
and the overall profile is highway-focused drive.
The longest uninterrupted segment is about 33.3 miles on NY 22.
At current regular gas prices, budget about $16.44 one way before food or hotel costs.
Trip Pace
Same-day drive is realistic
A same-day return is realistic if you keep stops short.
Midpoint
50 miles from Hempstead, NY
A natural place for your longest stop of the day
, about 1h 10m into the drive
.