Compiled and reviewed by the US Trip Planner planning team at COD Solutions Oy · Last reviewed Apr 19, 2026 · Editorial standards
Drive Time
26m
Distance
18.4 mi
30 km
Drive Score
6/10
Good drive
Same Day?
Yes, doable
Fuel Cost
$3
one way
EV Charging
Unknown
Estimated drive times based on typical traffic patterns. Actual times may vary with weather, construction, and real-time conditions.
Islip, NY
Wikimedia Commons
Port Jefferson Station, NY
Wikimedia Commons
If you are planning a trip from Islip to Port Jefferson Station, you are looking at a quick, 18.4-mile journey across Long Island. Expect to spend about 26 minutes behind the wheel, making this an ideal day trip that requires no overnight stay. You will navigate primarily through local roads, utilizing Islip Avenue and the Nesconset-Port Jefferson Highway to complete the transit. With a modest fuel budget of approximately $3, it is an incredibly cost-effective route for commuters or weekend travelers. Since both ends of your trip are located within the Northeast region, you will experience a consistent local landscape throughout the drive.
| Road | Distance | Duration |
|---|---|---|
| Nesconset Highway | 7.7 mi | 9m |
| Islip Avenue | 4 mi | 7m |
| Nesconset-Port Jefferson Highway | 2.7 mi | 3m |
| Wheeler Road | 1.6 mi | 2m |
| Joshuas Path | 1.4 mi | 2m |
| Hauppauge Boulevard | 0.4 mi | <1m |
| Jayne Boulevard | 0.2 mi | <1m |
| Main Street | 0.2 mi | <1m |
Step-by-step road directions between Islip, NY and Port Jefferson Station, NY.
Start on NY 27A
Turn left onto NY 111
Continue on NY 111
Continue on NY 111
Continue on NY 111
Turn left onto NY 111
Turn slight right onto NY 347
Continue on NY 347
Continue on NY 347
Turn left onto Jayne Boulevard
Turn right
Turn right onto NY 112
Arrive at destination
5 decision points cluster between mile 0.2 and 18.3 — GPS handles the exact turns, but know they're coming. Your lane choice matters more than the turn itself.
Turn left onto NY 111 / Islip Avenue
Lane positioning matters here
Turn left onto NY 111 / Hauppauge Boulevard
Lane positioning matters here
Turn left onto Jayne Boulevard
Navigation decision point
Turn right
Lane positioning matters here
Turn right onto NY 112 / Patchogue Road
Navigation decision point
Regular Gas
$3.03 one way
$6.06 round trip
| Fuel Type | $/gal | One Way | Round Trip |
|---|---|---|---|
| midgrade | $4.52 | $3.28 | $6.55 |
| premium | $4.92 | $3.57 | $7.13 |
| diesel | $5.61 | $4.06 | $8.12 |
No toll roads detected on this route.
Drive Cost (one way)
Fuel
$3
Estimated CO2 emission: 6.4 kg one way. Prices: EIA weekly data, 2026-04-13.
Driving Electric?
About $2 in charging · 0 stops · 67% less CO2
| Vehicle Type | kWh | Stops | DC Fast | Home Charge |
|---|---|---|---|---|
| Average EV | 5.5 | 0 | $1.93 | $0.88 |
| Efficient EV | 4.6 | 0 | $1.61 | $0.74 |
| EV Truck/SUV | 7.4 | 0 | $2.58 | $1.18 |
Gas CO2
6 kg
EV CO2
2 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.
Current conditions at both ends of the drive.
Origin
Afternoon in Islip on Sunday
Local time
12:41 PM
EDT
Current temp
54°F
Sunny
Flood Warning
Flood Warning issued April 12 at 1:11AM EDT by NWS Binghamton NY
Destination
Afternoon in Port Jefferson Station on Sunday
Local time
12:41 PM
EDT
Current temp
55°F
Mostly Sunny
Flood Warning
Flood Warning issued April 12 at 1:11AM EDT by NWS Binghamton NY
Time zone
Origin and destination are on the same clock, so arrival timing is easier to judge at a glance.
Temperature spread
A meaningful temperature swing is a good cue to rethink layers, water, and how soon you want to arrive.
Road read
The weather snapshot is not static. If you are leaving later, give both cities one more quick forecast check before departure.
Weather data from the National Weather Service. Conditions may change; check closer to your travel date.
This is a turn-heavy local drive that demands your full attention as you navigate through various intersections. Because this route has a highway share of 0%, you should prepare for a steady, stop-and-go pace rather than high-speed cruising. Your longest uninterrupted stretch occurs during the 7.7 miles you spend on the Nesconset Highway. The character of the road is defined by its local nature, lacking the monotonous feel of an interstate while requiring frequent adjustments to your speed. It is a functional, straightforward transit that connects these two points without any major highway transitions.
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.
Easy - simple navigation with a manageable amount of wheel time
Balances navigation complexity with total wheel time.
This is a straightforward 26m drive. You will face about 5 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 18.1 miles (Jayne Boulevard): Navigation decision point.
Mostly flat terrain
Total Climb
197 ft
Total Descent
34 ft
Highest Point
176 ft
~18.4 mi in
Elevation Range
163 ft
Founded 1683
Islip (pronounced "ICE-lip") is a town on Long Island in the state of New York. Located within Suffolk County, the Town of Islip includes the villages of Brightwaters, Islandia, Ocean Beach and Saltaire. It also includes numerous hamlets including Bay Shore and Sayville which are ferry terminals for Fire Island. Other prominent communities are Bayport, Brentwood, Central Islip, Hauppauge, Islip village (the town seat), and Ronkonkoma.
Top landmarks
City content from Wikivoyage (CC BY-SA 4.0) and Wikidata (CC0).
Weekend Trip
Doable as a same-day drive at 26m. Total distance: 18.4 miles.
Family Friendly
Moderate complexity with 0 natural rest stops along the way.
Solo Traveler
26m 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
Mostly surface roads route profile with national parks nearby.
Compiled by the US Trip Planner planning team at COD Solutions Oy from open government datasets — OSRM over OpenStreetMap for geometry, EIA for fuel prices, USGS 3DEP for elevation, and NPS for national parks. See our methodology for refresh cadence and limitations.
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