How far is Smithtown, NY from Lewisboro, NY?
The driving distance from Smithtown, NY to Lewisboro, NY is about 80.7 miles (129.8 km), with a travel time of about 02h 00m by car.
- The straight-line flight distance is about 31.3 miles (50.4 km).
- For a round trip, plan for roughly 04h 01m 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 02h 00m.
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.
The fourth most populous borough of New York City.
Route Weather Snapshot
Check the forecast at both ends before you head out.
Partly Cloudy
Sunny
Driving Route Map
The map below follows the saved road route between Smithtown and Lewisboro.
Turn-by-Turn Driving Directions
Step-by-step road directions between Smithtown and Lewisboro.
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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
1.2 km · 50 sec · Sagtikos State Parkway
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7
Take the exit slight right toward I 495 West: New York
688 ft · 17 sec
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8
Keep slight left to continue on I 495 West: New York
955 ft · 23 sec
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9
Turn straight onto LIE North Service Road
1987 ft · 34 sec · LIE North Service Road
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10
Turn straight onto North Service Road
770 ft · 14 sec · North Service Road
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11
Take the ramp slight left toward I 495 West: New York
879 ft · 22 sec
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12
Merge slight left onto Long Island Expressway
24.8 mi · 34 min · Long Island Expressway
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13
Take the exit slight right toward Cross Island Parkway, Whitestone Bridge, Kennedy Airport
1267 ft · 27 sec
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14
Keep slight right to continue on Cross Island Parkway North, Whitestone Bridge
1604 ft · 38 sec
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15
Merge slight left onto Cross Island Parkway
3.1 mi · 5 min · Cross Island Parkway
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16
Take the exit slight right toward I 295 North: Throgs Neck Bridge, Bronx, New England
2905 ft · 1 min
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17
Merge slight left onto Throgs Neck Bridge
1.8 mi · 3 min · Throgs Neck Bridge
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18
Continue on Throgs Neck Expressway
1.1 km · 1 min · Throgs Neck Expressway
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19
Keep slight right to continue on Throgs Neck Expressway
1.8 mi · 3 min · Throgs Neck Expressway
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20
Merge slight right onto Bruckner Expressway
1 mi · 2 min · Bruckner Expressway
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21
Continue on New England Thruway
1074 ft · 18 sec · New England Thruway
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22
Take the exit slight right toward Hutchinson Parkway North
131 m · 15 sec
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23
Keep slight left to continue on Hutchinson River Parkway North
912 ft · 31 sec
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24
Merge slight left onto Hutchinson River Parkway
1.5 mi · 2 min · Hutchinson River Parkway
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25
Take the exit slight right toward I 95 North: New Haven
1570 ft · 44 sec
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26
Merge slight left onto New England Thruway
22.5 mi · 31 min · New England Thruway
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27
Take the exit slight right toward Noroton
857 ft · 38 sec
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28
Turn left onto Noroton Avenue
1.1 km · 1 min · Noroton Avenue
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29
Turn right onto Middlesex Road
2784 ft · 56 sec · Middlesex Road
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30
Keep slight left to continue on Middlesex Road
1.2 mi · 2 min · Middlesex Road
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31
Continue on Middlesex Road
1243 ft · 28 sec · Middlesex Road
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32
Turn left onto Mansfield Avenue
1 mi · 2 min · Mansfield Avenue
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33
Continue on South Avenue
2.3 mi · 4 min · South Avenue
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34
Turn right onto Cherry Street
103 m · 14 sec · Cherry Street
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35
Turn left onto Main Street
1035 ft · 23 sec · Main Street
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36
Turn right onto Locust Avenue
153 m · 16 sec · Locust Avenue
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37
Turn left onto Forest Street
2228 ft · 40 sec · Forest Street
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38
Turn right onto Smith Ridge Road
45 m · 7 sec · Smith Ridge Road
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39
Continue on Smith Ridge Road
6.1 mi · 11 min · Smith Ridge Road
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40
Turn right onto Shady Lane
45 m · 6 sec · Shady Lane
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41
Arrive at your destination
0 m · 1 sec · Shady Lane
Car Route Details
A richer read on the saved driving route between Smithtown and Lewisboro.
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.
Long Island Expressway
Merge slight left onto Long Island Expressway
24.8 mi · 00h 34m
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 Smithtown and Sunny near Lewisboro.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Smithtown to Lewisboro?
The road trip is about 80.7 miles (129.8 km) and usually takes 02h 00m 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?
The Bronx is a useful midpoint, sitting about 40.3 miles from Smithtown and 40.4 miles from Lewisboro.
How much longer is the road route than the straight-line distance?
The direct path is about 31.3 miles (50.4 km), while the road route adds roughly 49.4 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 2:28 PM EDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $12.68 one way or $25.35 round trip. Estimated CO2 is about 25.3 kg one way.
What should you check before leaving?
Before you leave, expect Partly Cloudy around Smithtown and Sunny near Lewisboro.
Stop Ideas Near The Bronx
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
Diamond City Hall Photography
Transit and Meeting Points
Useful pickup, handoff, or rendezvous points close to The Bronx.
Yonkers station
New Rochelle station
Pennsylvania Station
Pennsylvania Station
Flight Path Map
This map shows the direct air route between Smithtown and Lewisboro. Straight-line distance: 31.29 mi (50.35 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 Lewisboro
City in Westchester County, New York, United States of America
| Population | 12,417 |
| Coordinates | 41.2381500, -73.5226200 |
| Altitude | 222 |
| Country | United States |
End: Lewisboro (-73.52262, 41.23815)
Estimated Travel Time
Distance: 130 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 02h 41m |
| 40 mph (64.37 km/h) | 02h 00m |
| 50 mph (80.47 km/h) | 01h 36m |
| 60 mph (96.56 km/h) | 01h 20m |
| 70 mph (112.65 km/h) | 01h 09m |
| 80 mph (129 km/h) | 01h 00m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $4.45 | $12.68 | $25.35 |
| Mid-grade | $4.98 | $14.20 | $28.40 |
| Premium | $5.38 | $15.34 | $30.68 |
| Diesel | $6.51 | $18.55 | $37.10 |
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