How far is Smithtown, NY from Hempstead, NY?
The driving distance from Smithtown, NY to Hempstead, NY is about 31.7 miles (51 km), with a travel time of about 00h 41m by car.
- The straight-line flight distance is about 24.2 miles (38.9 km).
- For a round trip, plan for roughly 01h 22m of driving time before adding stops, traffic, or weather delays.
- A comfortable departure window is usually 7:00 AM to 7:00 PM EDT.
Reverse, save, or send this route
This is an easy same-day return drive. Copy the route link, send it to another device, or print a clean version before you head out.
This is an easy same-day return drive.
Flight Distance
Driving Distance
Gas Cost Calculator
Leave and Arrive Planner
Pick a departure time to see your estimated arrival and same-day return window.
Drive time stays fixed at 00h 41m.
This is a short drive, so your comfort window is wide. Traffic and current weather matter more than the clock.
This departure sits inside the recommended comfort window for the route.
Halfway Point
A useful midpoint for breaks, coffee, or meeting in the middle.
Census-designated place in Suffolk County, New York
Route Weather Snapshot
Check the forecast at both ends before you head out.
Rain Showers Likely
Driving Route Map
The map below follows the saved road route between Smithtown and Hempstead.
Turn-by-Turn Driving Directions
Step-by-step road directions between Smithtown and Hempstead.
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1
Start on West Main Street
2964 ft · 52 sec · West Main Street
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2
Keep slight left to continue on West Main Street
55 m · 5 sec · West Main Street
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3
Continue on Jericho Turnpike
4 mi · 6 min · Jericho Turnpike
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4
Take the ramp slight right toward SM South: Bay Shore
1110 ft · 27 sec
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5
Merge slight left onto Sunken Meadow State Parkway
1.9 mi · 2 min · Sunken Meadow State Parkway
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6
Continue on Sagtikos State Parkway
5.4 mi · 6 min · Sagtikos State Parkway
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7
Continue on Southern State Parkway
694 ft · 9 sec · Southern State Parkway
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8
Keep slight left to continue on Southern State Parkway
17.4 mi · 22 min · Southern State Parkway
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9
Take the exit slight right toward Nassau Road, Hempstead, Freeport
760 ft · 26 sec
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10
Keep slight right to continue on Uniondale
50 m · 6 sec
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11
Turn right onto Nassau Road
1.2 km · 1 min · Nassau Road
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12
Continue on Greenwich Street
3218 ft · 1 min · Greenwich Street
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13
Turn right onto Henry Street
2468 ft · 57 sec · Henry Street
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14
Turn right onto Peninsula Boulevard
20 m · 1 sec · Peninsula Boulevard
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15
Arrive at your destination
0 m · 1 sec · Peninsula Boulevard
Car Route Details
A richer read on the saved driving route between Smithtown and Hempstead.
Turn-heavy local drive
The route has frequent decision points for its length, so lane choice and turn timing will matter more than cruising speed.
Southern State Parkway
Keep slight left to continue on Southern State Parkway
17.4 mi · 00h 22m
Route Summary
A quick read on whether this route feels easy, ambitious, or worth planning around.
A short regional drive
This route is short enough to handle as a quick errand, commute, or easy same-day return without much planning overhead.
Rain Showers Likely near Smithtown.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Smithtown to Hempstead?
The road trip is about 31.7 miles (51 km) and usually takes 00h 41m in normal driving conditions.
Is this a same-day trip or an overnight route?
This route is short enough to handle as a quick errand, commute, or easy same-day return without much planning overhead.
What is the halfway point on this route?
West Babylon is a useful midpoint, sitting about 15.8 miles from Smithtown and 15.8 miles from Hempstead.
How much longer is the road route than the straight-line distance?
The direct path is about 24.2 miles (38.9 km), while the road route adds roughly 7.5 extra miles because roads do not follow the straight air line.
When is the best time to leave for this route?
A good departure window is usually 7:00 AM to 7:00 PM EDT. If you want a more comfortable same-day return, try to leave by 7:08 PM EDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $4.49 one way or $8.98 round trip. Estimated CO2 is about 10 kg one way.
What should you check before leaving?
Before leaving, the latest forecast around Smithtown is Rain Showers Likely.
Stop Ideas Near West Babylon
Useful break, food, and waypoint ideas within about 15 miles of the route midpoint.
Town of Babylon History Museum at Old Town Hall
Babylon Town Hall Annex
Transit and Meeting Points
Useful pickup, handoff, or rendezvous points close to West Babylon.
Stamford Transportation Center
New Rochelle station
Yonkers station
Bridgeport
Flight Path Map
This map shows the direct air route between Smithtown and Hempstead. Straight-line distance: 24.2 mi (38.94 km).
#1 Smithtown
Census-designated place in Suffolk County, New York
| Population | 110,876 |
| Coordinates | 40.8559300, -73.2006700 |
| Altitude | 18 |
| Country | United States |
#2 Hempstead
Located in Nassau County, New York, this hamlet and village is a major commercial and transportation hub.
| Population | 764,055 |
| Coordinates | 40.7062100, -73.6187400 |
| Altitude | 17 |
| Country | United States |
End: Hempstead (-73.61874, 40.70621)
Estimated Travel Time
Distance: 51 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 01h 03m |
| 40 mph (64.37 km/h) | 00h 47m |
| 50 mph (80.47 km/h) | 00h 37m |
| 60 mph (96.56 km/h) | 00h 31m |
| 70 mph (112.65 km/h) | 00h 27m |
| 80 mph (129 km/h) | 00h 23m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $4.01 | $4.49 | $8.98 |
| Mid-grade | $4.48 | $5.02 | $10.04 |
| Premium | $4.86 | $5.44 | $10.89 |
| Diesel | $4.69 | $5.26 | $10.51 |
Assumes 8.3 L/100 km (about 28.3 MPG). CO2 is an estimate and varies by vehicle, fuel blend, traffic, and terrain.
Prices in New York · Apr 22, 2026
Distance to Other Cities
Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.