How far is Smithtown, NY from Farmingdale, NY?
The driving distance from Smithtown, NY to Farmingdale, NY is about 19.3 miles (31.1 km), with a travel time of about 00h 29m by car.
- The straight-line flight distance is about 15.3 miles (24.7 km).
- For a round trip, plan for roughly 00h 59m of driving time before adding stops, traffic, or weather delays.
- A comfortable departure window is usually 7:00 AM to 7:00 PM EDT.
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.
This is an easy same-day return drive.
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 00h 29m.
This is a short drive, so your comfort window is wide. Traffic and current weather matter more than the clock.
This departure sits inside the recommended comfort window for the route.
Halfway Point
A useful midpoint for breaks, coffee, or meeting in the middle.
Census-designated place in Suffolk County, New York
Route Weather Snapshot
Check the forecast at both ends before you head out.
Partly Cloudy
Mostly Sunny
Driving Route Map
The map below follows the saved road route between Smithtown and Farmingdale.
Turn-by-Turn Driving Directions
Step-by-step road directions between Smithtown and Farmingdale.
-
1
Start on West Main Street
2964 ft · 52 sec · West Main Street
-
2
Keep slight left to continue on West Main Street
55 m · 5 sec · West Main Street
-
3
Continue on Jericho Turnpike
4 mi · 6 min · Jericho Turnpike
-
4
Take the ramp slight right toward SM South: Bay Shore
1110 ft · 27 sec
-
5
Merge slight left onto Sunken Meadow State Parkway
1.9 mi · 2 min · Sunken Meadow State Parkway
-
6
Continue on Sagtikos State Parkway
1.2 km · 50 sec · Sagtikos State Parkway
-
7
Take the exit slight right toward I 495 West: New York
688 ft · 17 sec
-
8
Keep slight left to continue on I 495 West: New York
955 ft · 23 sec
-
9
Turn straight onto LIE North Service Road
1987 ft · 34 sec · LIE North Service Road
-
10
Turn straight onto North Service Road
770 ft · 14 sec · North Service Road
-
11
Take the ramp slight left toward I 495 West: New York
879 ft · 22 sec
-
12
Merge slight left onto Long Island Expressway
5.6 mi · 8 min · Long Island Expressway
-
13
Take the exit slight right toward NY 110 North: Huntington
1071 ft · 26 sec
-
14
Turn straight onto North Service Road
3206 ft · 1 min · North Service Road
-
15
Turn left onto Broadhollow Road
790 ft · 15 sec · Broadhollow Road
-
16
Continue on Broadhollow Road
2.1 mi · 3 min · Broadhollow Road
-
17
Turn right onto Melville Road
1.7 mi · 3 min · Melville Road
-
18
Turn left onto North Main Street
1729 ft · 42 sec · North Main Street
-
19
Turn left
76 m · 23 sec
-
20
Turn left
81 m · 25 sec
-
21
Turn left
51 m · 12 sec
-
22
Arrive at your destination
0 m · 1 sec
Car Route Details
A richer read on the saved driving route between Smithtown and Farmingdale.
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
5.65 mi · 00h 08m
Route Summary
A quick read on whether this route feels easy, ambitious, or worth planning around.
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.
Partly Cloudy leaving Smithtown and Mostly Sunny near Farmingdale.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Smithtown to Farmingdale?
The road trip is about 19.3 miles (31.1 km) and usually takes 00h 29m 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?
Dix Hills is a useful midpoint, sitting about 9.6 miles from Smithtown and 9.7 miles from Farmingdale.
How much longer is the road route than the straight-line distance?
The direct path is about 15.3 miles (24.7 km), while the road route adds roughly 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 7:00 AM to 7:00 PM EDT. If you want a more comfortable same-day return, try to leave by 7:30 PM EDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $3.02 one way or $6.05 round trip. Estimated CO2 is about 6 kg one way.
What should you check before leaving?
Before you leave, expect Partly Cloudy around Smithtown and Mostly Sunny near Farmingdale.
Stop Ideas Near Dix Hills
Useful break, food, and waypoint ideas within about 15 miles of the route midpoint.
Town of Babylon History Museum at Old Town Hall
Babylon Town Hall Annex
Transit and Meeting Points
Useful pickup, handoff, or rendezvous points close to Dix Hills.
Stamford Transportation Center
New Rochelle station
Bridgeport
Yonkers station
Flight Path Map
This map shows the direct air route between Smithtown and Farmingdale. Straight-line distance: 15.38 mi (24.75 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 Farmingdale
Incorporated village on Long Island, within the town of Oyster Bay, Nassau County, New York, United States
| Population | 8,981 |
| Coordinates | 40.7326000, -73.4454000 |
| Altitude | 21 |
| Country | United States |
End: Farmingdale (-73.4454, 40.7326)
Estimated Travel Time
Distance: 31 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 00h 38m |
| 40 mph (64.37 km/h) | 00h 29m |
| 50 mph (80.47 km/h) | 00h 23m |
| 60 mph (96.56 km/h) | 00h 19m |
| 70 mph (112.65 km/h) | 00h 16m |
| 80 mph (129 km/h) | 00h 14m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $4.45 | $3.02 | $6.05 |
| Mid-grade | $4.98 | $3.39 | $6.78 |
| Premium | $5.38 | $3.66 | $7.32 |
| Diesel | $6.51 | $4.43 | $8.85 |
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