How far is Niskayuna, NY from Smithtown, NY?

The driving distance from Niskayuna, NY to Smithtown, NY is about 204.2 miles (328.6 km), with a travel time of about 03h 29m by car.

  • The straight-line flight distance is about 137 miles (220.5 km).
  • For a round trip, plan for roughly 06h 58m of driving time before adding stops, traffic, or weather delays.
  • A comfortable departure window is usually 6:00 AM to 8:00 AM EDT.
Trip Tools

Reverse, save, or send this route

This drive is better planned with a longer stop or an overnight stay. Copy the route link, send it to another device, or print a clean version before you head out.

Reverse Route
Quick Snapshot
Road
204.19 mi
03h 29m
Flight
137.01 mi
220.5 km direct

This drive is better planned with a longer stop or an overnight stay.

Learn Distance

Choose another destination from Niskayuna.

Flight Distance

Direct air line
137.01 mi
Kilometers
220.5 km
Flight Time
00h 16m

Driving Distance

Road route
204.19 mi
Kilometers
328.61 km
Drive Time
03h 29m

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 03h 29m.

Arrival Snapshot
Arrive in Smithtown
Thu, Oct 15, 5:51 PM EDT
Return by in Niskayuna
Thu, Oct 15, 9:20 PM EDT
Useful when you're deciding between a quick errand, a day trip, or a longer stop.
Leave Niskayuna
2026-10-15T14:22
Arrive Smithtown
Thu, Oct 15, 5:51 PM EDT
Route Timing
03h 29m
One way by road
Best Departure Window
6:00 AM to 8:00 AM EDT
Leave early for more breathing room
Arrive between
9:29 AM to 11:29 AM EDT

An early departure helps you fit a real stop into the day without turning the return into a late-night drive.

Leave by
10:02 AM EDT
Keeps a same-day return open with about 04h 00m at the destination.
Back in Niskayuna
9:00 PM EDT
Early departure recommended

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
Vails Gate
NY

City in New Windsor, New York, United States of America

From Niskayuna
99.7 mi
01h 44m
To Smithtown
104.5 mi
01h 44m

Route Weather Snapshot

Check the forecast at both ends before you head out.

Origin
57°F
Thursday

Mostly Sunny

Starts
Thu, Oct 15 6:00 AM EDT
Wind
5 mph N
Destination
56°F
Overnight

Partly Cloudy

Starts
Thu, Oct 15 12:00 AM EDT
Wind
13 mph N

Driving Route Map

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

Turn-by-Turn Driving Directions

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

  1. 1

    Start on Troy Schenectady Road

    1.8 mi · 3 min · Troy Schenectady Road

  2. 2

    Turn right onto Albany Shaker Road

    3.1 mi · 6 min · Albany Shaker Road

  3. 3

    Take the ramp right toward I 87 South

    2930 ft · 1 min

  4. 4

    Merge slight left onto Adirondack Northway

    2.2 mi · 3 min · Adirondack Northway

  5. 5

    Keep slight right to continue on I 87 South, I 90: Boston, Albany, New York, Buffalo

    1694 ft · 32 sec

  6. 6

    Continue on I 87 South, I 90 West: New York, Buffalo

    2619 ft · 51 sec

  7. 7

    Keep slight right to continue on I 87 South: New York

    117.8 mi · 2 hr 17 min

  8. 8

    Keep slight right to continue on I 287 South, NJ 17 South: New Jersey

    1.5 km · 60 sec

  9. 9

    Continue straight

    2496 ft · 39 sec

  10. 10

    Keep slight left to continue on NJ 17 South: Mahwah

    14.1 mi · 19 min

  11. 11

    Take the exit slight right toward NJ 4, GSP South: Paterson, Fort Lee, New York

    566 ft · 19 sec

  12. 12

    Keep slight left to continue on NJ 4 East: Fort Lee, New York

    2455 ft · 1 min

  13. 13

    Merge slight left

    1417 ft · 24 sec

  14. 14

    Continue straight

    6.4 mi · 9 min

  15. 15

    Take the exit slight left toward I 95 North: George Washington Bridge

    1124 ft · 18 sec

  16. 16

    Merge slight left

    1.2 km · 55 sec

  17. 17

    Keep slight left

    1.3 km · 1 min

  18. 18

    Continue on George Washington Bridge (upper level)

    3174 ft · 1 min · George Washington Bridge (upper level)

  19. 19

    Continue on Trans-Manhattan Expressway

    1.2 km · 1 min · Trans-Manhattan Expressway

  20. 20

    Continue on Cross Bronx Expressway

    4.7 mi · 6 min · Cross Bronx Expressway

  21. 21

    Keep slight right to continue on Cross Bronx Expressway

    2 mi · 3 min · Cross Bronx Expressway

  22. 22

    Merge slight left onto Throgs Neck Expressway

    3271 ft · 58 sec · Throgs Neck Expressway

  23. 23

    Continue on Throgs Neck Bridge

    2 mi · 3 min · Throgs Neck Bridge

  24. 24

    Continue on Clearview Expressway

    3.2 mi · 3 min · Clearview Expressway

  25. 25

    Take the exit slight right toward I 495: Manhattan, Eastern Long Island

    810 ft · 28 sec

  26. 26

    Keep slight left to continue on I 495 East: Long Island Expressway, Eastern Long Island

    1448 ft · 39 sec

  27. 27

    Merge slight left onto Long Island Expressway

    14.2 mi · 20 min · Long Island Expressway

  28. 28

    Take the exit slight right toward N East: Hauppauge

    2144 ft · 53 sec

  29. 29

    Merge slight left onto Northern State Parkway

    13.7 mi · 19 min · Northern State Parkway

  30. 30

    Take the exit slight right toward SM North: Kings Park

    1052 ft · 26 sec

  31. 31

    Merge slight left onto Sagtikos State Parkway

    152 m · 6 sec · Sagtikos State Parkway

  32. 32

    Continue on Sunken Meadow State Parkway

    1.7 mi · 2 min · Sunken Meadow State Parkway

  33. 33

    Take the exit slight right toward NY 25 East: Jericho Turnpike East, Smithtown

    1170 ft · 31 sec

  34. 34

    Turn slight right onto Jericho Turnpike

    3.9 mi · 6 min · Jericho Turnpike

  35. 35

    Continue on West Main Street

    3144 ft · 55 sec · West Main Street

  36. 36

    Arrive at your destination

    0 m · 1 sec · West Main Street

Car Route Details

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

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
36 steps
3 turns on the saved route
Ramps & Exits
14
7 merges, 7 ramps or exits
Navigation Density
17.6 / 100 mi
Decision points by distance
Main Roads
I 87 South
119 mi · 58%
Long Island Expressway
14.2 mi · 7%
NJ 17 South
14.1 mi · 7%
Northern State Parkway
13.7 mi · 7%
NJ 4 East
7.12 mi · 3%
Cross Bronx Expressway
6.64 mi · 3%
Longest Stretch

I 87 South

Keep slight right to continue on I 87 South: New York

118 mi · 02h 17m

Route Summary

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

Trip Read

A longer out-and-back drive

This is still possible in one day, but it becomes a long driving day. Leaving early and planning your stop window matters more here.

Drive Time
03h 29m
Long day trip
Same-Day Return
06h 58m
Round-trip wheel time
Road vs Air
+67.2 mi
137 mi direct line
Halfway Stop
Vails Gate
01h 44m from Niskayuna
Leave By
10:02 AM EDT
Early departure recommended
Weather Watch

Mostly Sunny leaving Niskayuna 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 Niskayuna to Smithtown?

The road trip is about 204.2 miles (328.6 km) and usually takes 03h 29m in normal driving conditions.

Is this a same-day trip or an overnight route?

This is still possible in one day, but it becomes a long driving day. Leaving early and planning your stop window matters more here.

What is the halfway point on this route?

Vails Gate is a useful midpoint, sitting about 99.7 miles from Niskayuna and 104.5 miles from Smithtown.

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

The direct path is about 137 miles (220.5 km), while the road route adds roughly 67.2 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 6:00 AM to 8:00 AM EDT. If you want a more comfortable same-day return, try to leave by 10:02 AM EDT.

How much will gas cost for this route?

Using about 28.3 MPG, regular gas is estimated at $32.03 one way or $64.05 round trip. Estimated CO2 is about 64 kg one way.

What should you check before leaving?

Before you leave, expect Mostly Sunny around Niskayuna and Partly Cloudy near Smithtown.

Stop Ideas Near Vails Gate

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

Mid-route Guidance
Local place coverage is thin around Vails Gate, so nearby transit and meeting points are shown instead.
Reviewed stop coverage is still thin around this midpoint, so practical transit waypoints are shown on the right.

Transit and Meeting Points

Useful pickup, handoff, or rendezvous points close to Vails Gate.

RAIL

Poughkeepsie station

30 mi away
41 Main St.
RAIL

Croton–Harmon station

33 mi away
1 Croton Point Avenue
RAIL

Rhinecliff–Kingston station

53 mi away
Hutton and Charles Sts.
RAIL

Yonkers station

59 mi away
5 Buena Vista Ave.

Flight Path Map

This map shows the direct air route between Niskayuna and Smithtown. Straight-line distance: 137.01 mi (220.5 km).

Niskayuna

#1 Niskayuna

Town of New York, USA

Population22,330
Coordinates42.7798000, -73.8456800
Altitude89
CountryUnited States
Smithtown

#2 Smithtown

Census-designated place in Suffolk County, New York

Population110,876
Coordinates40.8559300, -73.2006700
Altitude18
CountryUnited States
Start: Troy Schenectady Road (-73.845686, 42.77979)
End: West Main Street (-73.200729, 40.855811)

Estimated Travel Time

Distance: 329 km by road

SpeedTime
30 mph (48.3 km/h)06h 48m
40 mph (64.37 km/h)05h 06m
50 mph (80.47 km/h)04h 05m
60 mph (96.56 km/h)03h 24m
70 mph (112.65 km/h)02h 55m
80 mph (129 km/h)02h 32m

Fuel, Round Trip and CO2

Estimated fuel cost and emissions for this route.

One-way fuel
7.2 gal
27.27 L · about $32.03
Round trip
$64.05
14.4 gal · 54.54 L
Estimated CO2
64 kg one way
Round trip: 128 kg / 282 lb CO2, using regular gasoline.
Fuel$/galOne wayRound trip
Regular gas $4.45 $32.03 $64.05
Mid-grade $4.98 $35.87 $71.74
Premium $5.38 $38.75 $77.50
Diesel $6.51 $46.86 $93.73

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 Niskayuna and Smithtown. The current time is 14:22:07.

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.