How far is Smithtown, NY from Plattekill, NY?

The driving distance from Smithtown, NY to Plattekill, NY is about 109.4 miles (176.1 km), with a travel time of about 02h 28m by car.

  • The straight-line flight distance is about 69.5 miles (111.9 km).
  • For a round trip, plan for roughly 04h 57m of driving time before adding stops, traffic, or weather delays.
  • A comfortable departure window is usually 8:00 AM to 10:00 AM EDT.
Trip Tools

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.

Reverse Route
Quick Snapshot
Road
109.44 mi
02h 28m
Flight
69.56 mi
111.94 km direct

This route works well as a day trip with time at the destination.

Learn Distance

Choose another destination from Smithtown.

Flight Distance

Direct air line
69.56 mi
Kilometers
111.94 km
Flight Time
00h 08m

Driving Distance

Road route
109.44 mi
Kilometers
176.12 km
Drive Time
02h 28m

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 28m.

Arrival Snapshot
Arrive in Plattekill
Thu, Oct 15, 5:56 PM EDT
Return by in Smithtown
Thu, Oct 15, 8:24 PM EDT
Useful when you're deciding between a quick errand, a day trip, or a longer stop.
Leave Smithtown
2026-10-15T15:27
Arrive Plattekill
Thu, Oct 15, 5:56 PM EDT
Route Timing
02h 28m
One way by road
Best Departure Window
8:00 AM to 10:00 AM EDT
Aim for a morning departure
Arrive between
10:29 AM to 12:29 PM EDT

A morning start gives you useful time at the destination and keeps the return out of the late evening.

Leave by
1:32 PM EDT
Keeps a same-day return open with about 03h 00m at the destination.
Back in Smithtown
9:30 PM EDT
Morning start is best

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.

Mid-route stop
Inwood
NY

City in New York County, New York, United States

From Smithtown
54.6 mi
01h 14m
To Plattekill
54.8 mi
01h 14m

Route Weather Snapshot

Check the forecast at both ends before you head out.

Origin
62°F
This Afternoon

Sunny

Starts
Thu, Oct 15 2:00 PM EDT
Wind
7 mph E
Destination
63°F
Thursday

Sunny

Starts
Thu, Oct 15 6:00 AM EDT
Wind
5 mph NE

Driving Route Map

The map below follows the saved road route between Smithtown and Plattekill.

Turn-by-Turn Driving Directions

Step-by-step road directions between Smithtown and Plattekill.

  1. 1

    Start on West Main Street

    2964 ft · 52 sec · West Main Street

  2. 2

    Keep slight left to continue on West Main Street

    55 m · 5 sec · West Main Street

  3. 3

    Continue on Jericho Turnpike

    4 mi · 6 min · Jericho Turnpike

  4. 4

    Take the ramp slight right toward SM South: Bay Shore

    1110 ft · 27 sec

  5. 5

    Merge slight left onto Sunken Meadow State Parkway

    1.9 mi · 2 min · Sunken Meadow State Parkway

  6. 6

    Continue on Sagtikos State Parkway

    1.2 km · 50 sec · Sagtikos State Parkway

  7. 7

    Take the exit slight right toward I 495 West: New York

    688 ft · 17 sec

  8. 8

    Keep slight left to continue on I 495 West: New York

    955 ft · 23 sec

  9. 9

    Turn straight onto LIE North Service Road

    1987 ft · 34 sec · LIE North Service Road

  10. 10

    Turn straight onto North Service Road

    770 ft · 14 sec · North Service Road

  11. 11

    Take the ramp slight left toward I 495 West: New York

    879 ft · 22 sec

  12. 12

    Merge slight left onto Long Island Expressway

    24.8 mi · 34 min · Long Island Expressway

  13. 13

    Take the exit slight right toward Cross Island Parkway, Whitestone Bridge, Kennedy Airport

    1267 ft · 27 sec

  14. 14

    Keep slight right to continue on Cross Island Parkway North, Whitestone Bridge

    1604 ft · 38 sec

  15. 15

    Merge slight left onto Cross Island Parkway

    3.1 mi · 5 min · Cross Island Parkway

  16. 16

    Take the exit slight right toward I 295 North: Throgs Neck Bridge, Bronx, New England

    2905 ft · 1 min

  17. 17

    Merge slight left onto Throgs Neck Bridge

    1.8 mi · 3 min · Throgs Neck Bridge

  18. 18

    Continue on Throgs Neck Expressway

    1.1 km · 1 min · Throgs Neck Expressway

  19. 19

    Keep slight left to continue on Cross Bronx Expressway

    6.6 mi · 9 min · Cross Bronx Expressway

  20. 20

    Keep slight left to continue on Trans-Manhattan Expressway

    1.1 km · 1 min · Trans-Manhattan Expressway

  21. 21

    Continue on George Washington Bridge (upper level)

    3167 ft · 60 sec · George Washington Bridge (upper level)

  22. 22

    Continue straight

    2659 ft · 48 sec

  23. 23

    Keep slight left

    3214 ft · 39 sec

  24. 24

    Keep slight left

    559 ft · 9 sec

  25. 25

    Take the exit slight right toward I 95 South, NJTP South: Hackensack

    1270 ft · 23 sec

  26. 26

    Keep slight right to continue on NJ 4 West: Paramus

    970 ft · 24 sec

  27. 27

    Merge slight right

    6.7 mi · 9 min

  28. 28

    Take the exit straight toward GSP South, NJ 17 South, GSP North, NJ 17 North: Grand State Plaza, Newark, Mahwah

    951 ft · 26 sec

  29. 29

    Keep slight right to continue on NJ 17 North: Mahwah

    1302 ft · 37 sec

  30. 30

    Merge slight left

    3.3 mi · 4 min

  31. 31

    Continue straight

    7.3 mi · 10 min

  32. 32

    Continue straight

    1.2 km · 50 sec

  33. 33

    Continue straight

    3.3 mi · 4 min

  34. 34

    Continue straight

    877 ft · 11 sec

  35. 35

    Keep slight left to continue on I 87 North, NY 17 North, New York State Thruway North: Albany

    29.9 mi · 34 min

  36. 36

    Take the exit slight right toward I 84, NY 300, NY 17K: Scranton, Newburgh

    651 ft · 13 sec

  37. 37

    Keep slight left to continue on I 84, NY 300: Danbury, Scranton

    1605 ft · 28 sec

  38. 38

    Continue straight

    148 m · 12 sec

  39. 39

    Keep slight left to continue on I 84 West, NY 300: Scranton, Newburgh

    122 m · 10 sec

  40. 40

    Keep slight right to continue on NY 300: Newburgh

    967 ft · 28 sec

  41. 41

    Turn left onto Union Avenue

    826 ft · 17 sec · Union Avenue

  42. 42

    Continue on Route 300

    2.5 mi · 5 min · Route 300

  43. 43

    Continue on Plattekill Turnpike

    4.6 mi · 8 min · Plattekill Turnpike

  44. 44

    Continue on Plattekill Turnpike

    94 m · 8 sec · Plattekill Turnpike

  45. 45

    Arrive at your destination

    0 m · 1 sec · Plattekill Turnpike

Car Route Details

A richer read on the saved driving route between Smithtown and Plattekill.

OSRM road route
Drive Character

Highway-focused drive

Most of the mileage stays on named highways, so the important moments are ramps, exits, merges, and the final local approach.

Directions
45 steps
6 turns on the saved route
Ramps & Exits
14
6 merges, 8 ramps or exits
Navigation Density
41.1 / 100 mi
Decision points by distance
Main Roads
I 87 North
29.9 mi · 27%
Long Island Expressway
24.8 mi · 23%
NJ 17 North
15.1 mi · 14%
NJ 4 West
6.85 mi · 6%
Cross Bronx Expressway
6.64 mi · 6%
Plattekill Turnpike
4.64 mi · 4%
Longest Stretch

I 87 North

Keep slight left to continue on I 87 North, NY 17 North, New York State Thruway North: Albany

29.9 mi · 00h 34m

Route Summary

A quick read on whether this route feels easy, ambitious, or worth planning around.

Trip Read

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.

Drive Time
02h 28m
Day trip friendly
Same-Day Return
04h 58m
Round-trip wheel time
Road vs Air
+39.9 mi
69.5 mi direct line
Halfway Stop
Inwood
01h 14m from Smithtown
Leave By
1:32 PM EDT
Morning start is best
Weather Watch

Sunny leaving Smithtown and Sunny near Plattekill.

Trip Questions

Direct answers travelers usually want before committing to the drive.

How long does it take to drive from Smithtown to Plattekill?

The road trip is about 109.4 miles (176.1 km) and usually takes 02h 28m 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?

Inwood is a useful midpoint, sitting about 54.6 miles from Smithtown and 54.8 miles from Plattekill.

How much longer is the road route than the straight-line distance?

The direct path is about 69.5 miles (111.9 km), while the road route adds roughly 39.9 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 1:32 PM EDT.

How much will gas cost for this route?

Using about 28.3 MPG, regular gas is estimated at $17.17 one way or $34.34 round trip. Estimated CO2 is about 34.3 kg one way.

What should you check before leaving?

Before you leave, expect Sunny around Smithtown and Sunny near Plattekill.

Stop Ideas Near Inwood

Useful break, food, and waypoint ideas within about 15 miles of the route midpoint.

Mid-route Guidance
These suggestions come from reviewed places and nearby services around Inwood and the surrounding midpoint area.
City Hall Parking Lot
Scenic stop 13.5 mi away

City Hall Parking Lot

Jersey City , NJ
280 Grove St, Jersey City, NJ 07302
Rating 5.0/5 2 reviews Parking lot
#Artlook New York City Hall Wedding Photographer
Practical stop 13.8 mi away

#Artlook New York City Hall Wedding Photographer

New York , NY
141 Worth St, New York, NY 10013
Rating 5.0/5 13 reviews Photographer,Photography service,Photography studio,Wedding photographer
City Hall Personnel Office
Meeting point 14.3 mi away

City Hall Personnel Office

Newark , NJ
920 Broad St, Newark, NJ 07102
Rating 5.0/5 5 reviews City government office
Diamond City Hall Photography
Nearby stop 13.8 mi away

Diamond City Hall Photography

New York , NY
141 Worth St, New York, NY 10013
Rating 5.0/5 53 reviews Wedding photographer

Transit and Meeting Points

Useful pickup, handoff, or rendezvous points close to Inwood.

RAIL

Yonkers station

8 mi away
5 Buena Vista Ave.
RAIL

New Rochelle station

13 mi away
1 Railroad Plaza
RAIL

Pennsylvania Station

14 mi away
8th Ave 31st Street / 8th Ave 33rd Street
RAIL

Pennsylvania Station

25 mi away
1 Raymond Plaza West

Flight Path Map

This map shows the direct air route between Smithtown and Plattekill. Straight-line distance: 69.56 mi (111.94 km).

Smithtown

#1 Smithtown

Census-designated place in Suffolk County, New York

Population110,876
Coordinates40.8559300, -73.2006700
Altitude18
CountryUnited States
Plattekill

#2 Plattekill

Town in New York, USA

Population10,188
Coordinates41.6175900, -74.0759800
Altitude173
CountryUnited States
Start: Smithtown (-73.20067, 40.85593)
End: Plattekill (-74.07598, 41.61759)

Estimated Travel Time

Distance: 176 km by road

SpeedTime
30 mph (48.3 km/h)03h 38m
40 mph (64.37 km/h)02h 44m
50 mph (80.47 km/h)02h 11m
60 mph (96.56 km/h)01h 49m
70 mph (112.65 km/h)01h 33m
80 mph (129 km/h)01h 21m

Fuel, Round Trip and CO2

Estimated fuel cost and emissions for this route.

One-way fuel
3.86 gal
14.62 L · about $17.17
Round trip
$34.34
7.72 gal · 29.24 L
Estimated CO2
34.3 kg one way
Round trip: 68.6 kg / 151 lb CO2, using regular gasoline.
Fuel$/galOne wayRound trip
Regular gas $4.45 $17.17 $34.34
Mid-grade $4.98 $19.23 $38.46
Premium $5.38 $20.77 $41.55
Diesel $6.51 $25.12 $50.25

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

There is no time difference between Smithtown and Plattekill. The current time is 15:27:48.

Distance to Other Cities

How did we calculate? Place names are translated into coordinates. The Haversine formula calculates straight-line distance; driving distance uses road network data.