How far is Northport, NY from Smithtown, NY?

The driving distance from Northport, NY to Smithtown, NY is about 10.3 miles (16.6 km), with a travel time of about 00h 20m by car.

  • The straight-line flight distance is about 8.1 miles (13 km).
  • For a round trip, plan for roughly 00h 40m of driving time before adding stops, traffic, or weather delays.
  • A comfortable departure window is usually 7:00 AM to 7:00 PM EDT.
Trip Tools

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.

Reverse Route
Quick Snapshot
Road
10.33 mi
00h 20m
Flight
8.07 mi
12.98 km direct

This is an easy same-day return drive.

Learn Distance

Choose another destination from Northport.

Flight Distance

Direct air line
8.07 mi
Kilometers
12.98 km
Flight Time

Driving Distance

Road route
10.33 mi
Kilometers
16.63 km
Drive Time
00h 20m

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 20m.

Arrival Snapshot
Arrive in Smithtown
Thu, Oct 15, 12:51 PM EDT
Return by in Northport
Thu, Oct 15, 1:11 PM EDT
Useful when you're deciding between a quick errand, a day trip, or a longer stop.
Leave Northport
2026-10-15T12:31
Arrive Smithtown
Thu, Oct 15, 12:51 PM EDT
Route Timing
00h 20m
One way by road
Best Departure Window
7:00 AM to 7:00 PM EDT
Leave when it suits your day
Arrive between
7:20 AM to 7:20 PM EDT

This is a short drive, so your comfort window is wide. Traffic and current weather matter more than the clock.

Leave by
7:50 PM EDT
Keeps a same-day return open with about 01h 30m at the destination.
Back in Northport
10:00 PM EDT
Flexible departure

This departure sits inside the recommended comfort window for the route.

Halfway Point

A useful midpoint for breaks, coffee, or meeting in the middle.

Mid-route stop
Kings Park
NY

Census-designated place in Suffolk County, New York

From Northport
5.2 mi
00h 10m
To Smithtown
5.2 mi
00h 10m

Route Weather Snapshot

Check the forecast at both ends before you head out.

Origin
65°F
Thursday

Sunny

Starts
Thu, Oct 15 6:00 AM EDT
Wind
6 to 10 mph NE
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 Northport and Smithtown.

Turn-by-Turn Driving Directions

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

  1. 1

    Start on Main Street

    1.2 km · 1 min · Main Street

  2. 2

    Turn slight left onto Fort Salonga Road

    4.1 mi · 6 min · Fort Salonga Road

  3. 3

    Continue on Fort Salonga Road

    2386 ft · 41 sec · Fort Salonga Road

  4. 4

    Continue on West Main Street

    1.5 km · 1 min · West Main Street

  5. 5

    Continue on State Highway 25A

    569 ft · 10 sec · State Highway 25A

  6. 6

    Continue on East Main Street

    1.5 mi · 2 min · East Main Street

  7. 7

    Turn right onto Saint Johnland Road

    1.9 mi · 3 min · Saint Johnland Road

  8. 8

    Continue on West Main Street

    3144 ft · 55 sec · West Main Street

  9. 9

    Arrive at your destination

    0 m · 1 sec · West Main Street

Car Route Details

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

OSRM road route
Drive Character

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.

Directions
9 steps
2 turns on the saved route
Ramps & Exits
0
0 merges, 0 ramps or exits
Navigation Density
87.4 / 100 mi
Decision points by distance
Main Roads
Fort Salonga Road
4.52 mi · 44%
Saint Johnland Road
1.88 mi · 18%
East Main Street
1.55 mi · 15%
West Main Street
1.5 mi · 14%
Main Street
0.77 mi · 7%
State Highway 25A
0.11 mi · 1%
Longest Stretch

Fort Salonga Road

Turn slight left onto Fort Salonga Road

4.07 mi · 00h 06m

Route Summary

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

Trip Read

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.

Drive Time
00h 20m
Quick drive
Same-Day Return
00h 40m
Round-trip wheel time
Road vs Air
+2.2 mi
8.1 mi direct line
Halfway Stop
Kings Park
00h 10m from Northport
Leave By
7:50 PM EDT
Flexible departure
Weather Watch

Sunny leaving Northport 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 Northport to Smithtown?

The road trip is about 10.3 miles (16.6 km) and usually takes 00h 20m 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?

Kings Park is a useful midpoint, sitting about 5.2 miles from Northport and 5.2 miles from Smithtown.

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

The direct path is about 8.1 miles (13 km), while the road route adds roughly 2.2 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 7:00 AM to 7:00 PM EDT. If you want a more comfortable same-day return, try to leave by 7:50 PM EDT.

How much will gas cost for this route?

Using about 28.3 MPG, regular gas is estimated at $1.60 one way or $3.20 round trip. Estimated CO2 is about 3.2 kg one way.

What should you check before leaving?

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

Stop Ideas Near Kings Park

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 Kings Park and the surrounding midpoint area.
Town of Babylon History Museum at Old Town Hall
Scenic stop 14.1 mi away

Town of Babylon History Museum at Old Town Hall

Babylon , NY
47 W Main St, Babylon, NY 11702
Rating 4.6/5 26 reviews Tourist attraction,History museum
Brookhaven Town Hall
Meeting point 13.4 mi away

Brookhaven Town Hall

Farmingville , NY
1 Independence Hill, Farmingville, NY 11738
Rating 3.4/5 48 reviews City Hall

Transit and Meeting Points

Useful pickup, handoff, or rendezvous points close to Kings Park.

RAIL

Stamford Transportation Center

30 mi away
Washington Blvd and South State St.
RAIL

Bridgeport

33 mi away
525 Water St.
RAIL

New Rochelle station

44 mi away
1 Railroad Plaza
RAIL

Union Station

54 mi away
50 Union Avenue

Flight Path Map

This map shows the direct air route between Northport and Smithtown. Straight-line distance: 8.07 mi (12.98 km).

Northport

#1 Northport

Human settlement in Huntington, New York, United States of America

Population7,259
Coordinates40.9009300, -73.3431700
Altitude18
CountryUnited States
Smithtown

#2 Smithtown

Census-designated place in Suffolk County, New York

Population110,876
Coordinates40.8559300, -73.2006700
Altitude18
CountryUnited States
Start: (-73.343207, 40.900927)
End: West Main Street (-73.200729, 40.855811)

Estimated Travel Time

Distance: 17 km by road

SpeedTime
30 mph (48.3 km/h)00h 20m
40 mph (64.37 km/h)00h 15m
50 mph (80.47 km/h)00h 12m
60 mph (96.56 km/h)00h 10m
70 mph (112.65 km/h)00h 08m
80 mph (129 km/h)00h 07m

Fuel, Round Trip and CO2

Estimated fuel cost and emissions for this route.

One-way fuel
0.36 gal
1.38 L · about $1.60
Round trip
$3.20
0.72 gal · 2.76 L
Estimated CO2
3.2 kg one way
Round trip: 6.4 kg / 14 lb CO2, using regular gasoline.
Fuel$/galOne wayRound trip
Regular gas $4.45 $1.60 $3.20
Mid-grade $4.98 $1.79 $3.59
Premium $5.38 $1.94 $3.88
Diesel $6.51 $2.34 $4.69

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 Northport and Smithtown. The current time is 12:31:40.

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.