How far is Kaser, NY from Smithtown, NY?
The driving distance from Kaser, NY to Smithtown, NY is about 76.4 miles (123 km), with a travel time of about 01h 38m by car.
- The straight-line flight distance is about 48.8 miles (78.5 km).
- For a round trip, plan for roughly 03h 17m of driving time before adding stops, traffic, or weather delays.
- A comfortable departure window is usually 8:00 AM to 10:00 AM EDT.
Reverse, save, or send this route
This route works well as a day trip with time at the destination. Copy the route link, send it to another device, or print a clean version before you head out.
This route works well as a day trip with time at the destination.
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 01h 38m.
A morning start gives you useful time at the destination and keeps the return out of the late evening.
You are leaving earlier than the recommended window, which gives you extra margin for breaks and traffic.
Halfway Point
A useful midpoint for breaks, coffee, or meeting in the middle.
Census-designated place in Nassau County, New York
Route Weather Snapshot
Check the forecast at both ends before you head out.
Partly Cloudy
Driving Route Map
The map below follows the saved road route between Kaser and Smithtown.
Turn-by-Turn Driving Directions
Step-by-step road directions between Kaser and Smithtown.
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1
Start on Phyllis Terrace
65 m · 17 sec · Phyllis Terrace
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2
Turn left onto Main Street
1.6 km · 2 min · Main Street
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3
Turn left onto State Highway 59
1.1 mi · 2 min · State Highway 59
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4
Continue on East Central Avenue
3.1 mi · 5 min · East Central Avenue
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5
Take the ramp straight toward New York, Palisades Interstate Parkway South
1815 ft · 44 sec
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6
Merge slight left onto Palisades Interstate Parkway
18.3 mi · 25 min · Palisades Interstate Parkway
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7
Merge slight left
2776 ft · 53 sec
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8
Continue on George Washington Bridge (upper level)
3174 ft · 1 min · George Washington Bridge (upper level)
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9
Continue on Trans-Manhattan Expressway
1.2 km · 1 min · Trans-Manhattan Expressway
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10
Continue on Cross Bronx Expressway
4.7 mi · 6 min · Cross Bronx Expressway
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11
Keep slight right to continue on Cross Bronx Expressway
2 mi · 3 min · Cross Bronx Expressway
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12
Merge slight left onto Throgs Neck Expressway
3271 ft · 58 sec · Throgs Neck Expressway
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13
Continue on Throgs Neck Bridge
2 mi · 3 min · Throgs Neck Bridge
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14
Continue on Clearview Expressway
3.2 mi · 3 min · Clearview Expressway
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15
Take the exit slight right toward I 495: Manhattan, Eastern Long Island
810 ft · 28 sec
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16
Keep slight left to continue on I 495 East: Long Island Expressway, Eastern Long Island
1448 ft · 39 sec
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17
Merge slight left onto Long Island Expressway
14.2 mi · 20 min · Long Island Expressway
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18
Take the exit slight right toward N East: Hauppauge
2144 ft · 53 sec
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19
Merge slight left onto Northern State Parkway
13.7 mi · 19 min · Northern State Parkway
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20
Take the exit slight right toward SM North: Kings Park
1052 ft · 26 sec
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21
Merge slight left onto Sagtikos State Parkway
152 m · 6 sec · Sagtikos State Parkway
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22
Continue on Sunken Meadow State Parkway
1.7 mi · 2 min · Sunken Meadow State Parkway
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23
Take the exit slight right toward NY 25 East: Jericho Turnpike East, Smithtown
1170 ft · 31 sec
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24
Turn slight right onto Jericho Turnpike
3.9 mi · 6 min · Jericho Turnpike
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25
Continue on West Main Street
3144 ft · 55 sec · West Main Street
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26
Arrive at your destination
0 m · 1 sec · West Main Street
Car Route Details
A richer read on the saved driving route between Kaser and Smithtown.
Highway-focused drive
Most of the mileage stays on named highways, so the important moments are ramps, exits, merges, and the final local approach.
Palisades Interstate Parkway
Merge slight left onto Palisades Interstate Parkway
18.3 mi · 00h 25m
Route Summary
A quick read on whether this route feels easy, ambitious, or worth planning around.
A comfortable day-trip route
This route works well as a day trip. You can leave in the morning, spend meaningful time at the destination, and still return the same day.
Partly Cloudy leaving Kaser and Partly Cloudy near Smithtown.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Kaser to Smithtown?
The road trip is about 76.4 miles (123 km) and usually takes 01h 38m in normal driving conditions.
Is this a same-day trip or an overnight route?
This route works well as a day trip. You can leave in the morning, spend meaningful time at the destination, and still return the same day.
What is the halfway point on this route?
East Atlantic Beach is a useful midpoint, sitting about 36.7 miles from Kaser and 39.7 miles from Smithtown.
How much longer is the road route than the straight-line distance?
The direct path is about 48.8 miles (78.5 km), while the road route adds roughly 27.6 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 8:00 AM to 10:00 AM EDT. If you want a more comfortable same-day return, try to leave by 3:12 PM EDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $12.01 one way or $24.02 round trip. Estimated CO2 is about 24 kg one way.
What should you check before leaving?
Before you leave, expect Partly Cloudy around Kaser and Partly Cloudy near Smithtown.
Stop Ideas Near East Atlantic Beach
Useful break, food, and waypoint ideas within about 15 miles of the route midpoint.
Radio City Music Hall
The Yard: City Hall Park NYC
CITY HALL LOBBY
Town Hall
Transit and Meeting Points
Useful pickup, handoff, or rendezvous points close to East Atlantic Beach.
New Rochelle station
Pennsylvania Station
Yonkers station
Stamford Transportation Center
Flight Path Map
This map shows the direct air route between Kaser and Smithtown. Straight-line distance: 48.77 mi (78.48 km).
#1 Kaser
City in Rockland County, New York, United States of America
| Population | 5,439 |
| Coordinates | 41.1212100, -74.0670900 |
| Altitude | 165 |
| Country | United States |
#2 Smithtown
Census-designated place in Suffolk County, New York
| Population | 110,876 |
| Coordinates | 40.8559300, -73.2006700 |
| Altitude | 18 |
| Country | United States |
End: West Main Street (-73.200729, 40.855811)
Estimated Travel Time
Distance: 123 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 02h 32m |
| 40 mph (64.37 km/h) | 01h 54m |
| 50 mph (80.47 km/h) | 01h 31m |
| 60 mph (96.56 km/h) | 01h 16m |
| 70 mph (112.65 km/h) | 01h 05m |
| 80 mph (129 km/h) | 00h 57m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $4.45 | $12.01 | $24.02 |
| Mid-grade | $4.98 | $13.45 | $26.90 |
| Premium | $5.38 | $14.53 | $29.06 |
| Diesel | $6.51 | $17.57 | $35.15 |
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 · Oct 15, 2026