Origin
Islip, NY
Morning in Islip on Friday
Local time
8:25 AM
EDT
Current temp
44°F
Unavailable
Live forecast
Trip from Islip, NY to Smithtown, NY
Compiled and reviewed by the Trip.ovh planning team at COD Solutions Oy · Last reviewed Apr 17, 2026 · Editorial standards
Drive Time
16m
Distance
9.7 mi
16 km
Drive Score
6/10
Good drive
Same Day?
Yes, doable
Fuel Cost
$2
one way
EV Charging
Unknown
Best Time to Leave
4 AM
0h 15m
★
6 AM
0h 17m
8 AM
0h 19m
10 AM
0h 18m
12 PM
0h 17m
3 PM
0h 18m
5 PM
0h 19m
8 PM
0h 16m
Estimated drive times based on typical traffic patterns. Actual times may vary with weather, construction, and real-time conditions.
Islip, NY
Wikimedia Commons
Smithtown, NY
Wikimedia Commons
Trip Overview
This short 9.7-mile journey from Islip to Smithtown, NY, is designed for a single day, taking approximately 16 minutes to complete. With a low fuel cost estimated at $2, it's an economical option for local travel within the Northeast region. The route is primarily on local roads, with no highway driving, making it a straightforward, turn-heavy experience. Since there are no designated stops and it's a quick trip, you can easily fit this into any part of your day. It's a good choice if you're looking for a quick, no-fuss drive between these two New York towns.
Who Is This Route For?
Weekend Trip
Doable as a same-day drive at 16m. Total distance: 9.7 miles.
Family Friendly
Moderate complexity with 0 natural rest stops along the way.
Solo Traveler
16m drive, comfortable solo distance.
EV Driver
0 DC fast chargers along the route. Coverage: unknown.
First-Time Driver
Mostly highway driving (0%). Straightforward navigation.
Scenic Drive
Turn-heavy local drive route profile.
Drive Character
Expect a local, turn-heavy drive for this entire 9.7-mile trip, as there's zero highway share. The longest uninterrupted stretch you'll encounter is about 4 miles along Islip Avenue. You'll navigate through a series of local roads, including Wheeler Road and Joshuas Path, which means you'll be making frequent turns and adjustments. This isn't a route for cruising at high speeds; rather, it's about engaging with the local street network. The character of the drive will likely shift as you transition between these different named streets, keeping you attentive throughout.
This route has more turning and local-road decision points than a simple highway run.
There are about 9 navigation steps in the underlying route data, so the final approach matters more than the middle miles.
Islip Avenue is the longest continuous segment at about 4 miles.
How Hard Is This Drive?
Expect a hands-on drive with frequent turns and local roads rather than long highway stretches. There are only a few real navigation decisions along the way. The trickiest moment comes around 0.2 miles in near NY 111 / Islip Avenue.
Driving Effort
4/10
Easy - simple navigation with a manageable amount of wheel time
Balances navigation complexity with total wheel time.
This is a straightforward 16m drive. You will face about 4 decision points, but nothing that requires special attention if you follow navigation.
Where does it get tricky?
The main spots that need attention: at 0.2 miles (NY 111 / Islip Avenue): Lane positioning matters here; at 7.4 miles (NY 111 / Hauppauge Boulevard): Lane positioning matters here; at 8.2 miles (Maple Avenue): Lane positioning matters here.
Critical Maneuvers
4 of 4 key pointsThese are the spots where you need to pay the most attention. Preview them before you drive.
5
0.2 mi into trip
|
~0m in
|
NY 111 / Islip Avenue
Turn left onto NY 111 / Islip Avenue
Lane positioning matters here
Use the left lane.
5
7.4 mi into trip
|
~12m in
|
NY 111 / Hauppauge Boulevard
Turn left onto NY 111 / Hauppauge Boulevard
Lane positioning matters here
Use the left lane.
5
8.2 mi into trip
|
~13m in
|
Maple Avenue
Turn left onto Maple Avenue
Lane positioning matters here
Use the left lane.
4
9.5 mi into trip
|
~16m in
|
NY 25; NY 25A / West Main Street
At end of road, turn left onto NY 25; NY 25A / West Main Street
Navigation decision point
Main Roads
| Road | Distance | Duration |
|---|---|---|
| Islip Avenue | 4 mi | 7m |
| Wheeler Road | 1.6 mi | 2m |
| Joshuas Path | 1.4 mi | 2m |
| Maple Avenue | 1.3 mi | 2m |
| Hauppauge Boulevard | 0.9 mi | 1m |
| West Main Street | 0.2 mi | <1m |
| Main Street | 0.2 mi | <1m |
| Townline Road | 0.1 mi | <1m |
Longest stretch:
Islip Avenue
— 4 mi, about 7m
Turn-by-Turn Driving Directions
Step-by-step road directions between Islip, NY and Smithtown, NY.
1
Start on NY 27A
0.2 mi
·
21 sec
·
Main Street
2
Turn left onto NY 111
4.0 mi
·
7 min
·
Islip Avenue
Use the left lane.
3
Continue on NY 111
1.4 mi
·
2 min
·
Joshuas Path
4
Continue on NY 111
1.6 mi
·
2 min
·
Wheeler Road
5
Continue on NY 111
0.1 mi
·
17 sec
·
Townline Road
Use the left lane.
6
Turn left onto NY 111
0.9 mi
·
1 min
·
Hauppauge Boulevard
Use the left lane.
7
Turn left onto Maple Avenue
1.3 mi
·
2 min
·
Maple Avenue
Use the left lane.
8
At end of road, turn left onto NY 25; NY 25A
0.2 mi
·
19 sec
·
West Main Street
9
Arrive at destination
NY 25; NY 25A
Fuel & Cost
Regular Gas
$1.60 one way
$3.19 round trip
$4.18/gal
25.4 MPG avg
3 kg CO2
| Fuel Type | $/gal | One Way | Round Trip |
|---|---|---|---|
| midgrade | $4.52 | $1.73 | $3.45 |
| premium | $4.92 | $1.88 | $3.76 |
| diesel | $5.61 | $2.14 | $4.28 |
No toll roads detected on this route.
Drive Cost (one way)
Fuel
$2
Estimated CO2 emission: 3.4 kg one way. Prices: EIA weekly data, 2026-04-13.
Driving Electric?
About $1 in charging · 0 stops · 67% less CO2
| Vehicle Type | kWh | Stops | DC Fast | Home Charge |
|---|---|---|---|---|
| Average EV | 2.9 | 0 | $1.02 | $0.47 |
| Efficient EV | 2.4 | 0 | $0.85 | $0.39 |
| EV Truck/SUV | 3.9 | 0 | $1.36 | $0.62 |
Gas CO2
3 kg
EV CO2
1 kg (67% less)
This trip is well within single-charge range for most EVs. No charging stops needed if you start fully charged.
DC fast charging avg $0.35/kWh. Home charging avg $0.16/kWh. US grid CO2: 0.39 kg/kWh.
Travel Intel
Current conditions at both ends of the drive.
Destination
Smithtown, NY
Morning in Smithtown on Friday
Local time
8:25 AM
EDT
Current temp
64°F
Unavailable
Live forecast
Time zone
Same local time
Origin and destination are on the same clock, so arrival timing is easier to judge at a glance.
Temperature spread
20 degrees warmer at arrival
A meaningful temperature swing is a good cue to rethink layers, water, and how soon you want to arrive.
Road read
16m on the road
Use the two city cards together: check the sky where you start, then compare it with the local time and temperature at arrival.
Weather data from the National Weather Service. Conditions may change; check closer to your travel date.
Frequently Asked Questions
The drive from Islip, NY to Smithtown, NY covers 9.7 miles and takes about 16m without stops. Add 15-30 minutes for a fuel or rest stop on longer drives.
The main roads are Islip Avenue, Wheeler Road, Joshuas Path. Expect a mix of highway and local road driving.
This is a comfortable same-day trip.
The midpoint is about 4.8 miles from Islip, NY. Look for rest areas, gas stations, or food options near the halfway mark.
At current regular gas prices, expect to spend about $1.60 one way. This estimate uses 25.4 MPG — your actual cost will vary with your vehicle's fuel efficiency and current gas prices.
Leave by 9 AM and you'll arrive before lunch. Even a 4 PM departure gets you there before dark in summer.
This is a straightforward 16m drive. You will face about 4 decision points, but nothing that requires special attention if you follow navigation.
The main spots that need attention: at 0.2 miles (NY 111 / Islip Avenue): Lane positioning matters here; at 7.4 miles (NY 111 / Hauppauge Boulevard): Lane positioning matters here; at 8.2 miles (Maple Avenue): Lane positioning matters here.
The route from Islip, NY to Smithtown, NY does not surface many named destination signs beyond the main corridor.
How this page is built
Compiled and maintained by the Trip.ovh planning team at COD Solutions Oy (Helsinki). Each route is built from authoritative open government and mapping datasets rather than crowdsourced reviews. Distances and geometry come from OSRM over OpenStreetMap. Fuel cost uses EIA weekly regional averages. Pages are published only after passing our data-quality checks; our methodology page documents refresh cadence, editorial standards, and known limitations.
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