Origin
Islip, NY
Late night in Islip on Tuesday
Local time
5:24 AM
EDT
Current temp
44°F
Unavailable
Live forecast
Trip from Islip, NY to Ronkonkoma, NY
Pin this tripCompiled and reviewed by the US Trip Planner planning team at COD Solutions Oy · Last reviewed Apr 21, 2026 · Editorial standards
Drive Time
18m
Distance
11.4 mi
18 km
Drive Score
8/10
Great drive
Same Day?
Yes, doable
Fuel Cost
$2
one way
EV Charging
Unknown
Best Time to Leave
4 AM
0h 17m
★
6 AM
0h 18m
8 AM
0h 21m
10 AM
0h 19m
12 PM
0h 19m
3 PM
0h 19m
5 PM
0h 21m
8 PM
0h 17m
★
Estimated drive times based on typical traffic patterns. Actual times may vary with weather, construction, and real-time conditions.
Islip, NY
Wikimedia Commons
Ronkonkoma, NY
Wikimedia Commons
Trip Overview
This short 11.4-mile drive from Islip, NY, to Ronkonkoma, NY, is easily manageable as a single-day trip, taking approximately 18 minutes. You'll primarily navigate using the Long Island Expressway, Islip Avenue, and Joshuas Path, with about 44% of the journey on highways. With a modest fuel cost estimated at $2, this route is a budget-friendly option for getting between these two Northeast locations within New York. Consider this a straightforward connection rather than a destination in itself, perfect for a quick transfer or a short hop.
Main Roads
| Road | Distance | Duration |
|---|---|---|
| Long Island Expressway | 5 mi | 6m |
| Islip Avenue | 4 mi | 7m |
| Joshuas Path | 1.5 mi | 2m |
| Ronkonkoma Avenue | 0.2 mi | <1m |
| Main Street | 0.2 mi | <1m |
| Express Drive South | 0.1 mi | <1m |
Longest stretch:
Long Island Expressway
— 5 mi, about 6m
Turn-by-Turn Driving Directions
Step-by-step road directions between Islip, NY and Ronkonkoma, 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
1.5 mi
·
2 min
·
Joshuas Path
4
Turn right onto Express Drive South
459 ft
·
9 sec
·
Express Drive South
5
Take the ramp
0.1 mi
·
18 sec
Toward I 495 East: Riverhead
6
Merge onto I 495
5.0 mi
·
6 min
·
Long Island Expressway
Use the straight / slight right lanes.
7
Take the exit
0.2 mi
·
23 sec
Exit 60
Toward Ronkonkoma Avenue, Lake Ronkonkoma, Sayville
Use the slight right lane.
8
Turn straight onto Express Drive South
226 ft
·
12 sec
·
Express Drive South
9
Turn left onto Ronkonkoma Avenue
0.2 mi
·
28 sec
·
Ronkonkoma Avenue
Use the left lane.
10
Arrive at destination
Ronkonkoma Avenue
Heads-up: tricky spots
5 of 65 decision points cluster between mile 0.2 and 11.2 — GPS handles the exact turns, but know they're coming. Your lane choice matters more than the turn itself.
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.
4
5.7 mi into trip
|
~9m in
|
Express Drive South
Turn right onto Express Drive South
Navigation decision point
5
5.9 mi into trip
|
~10m in
|
I 495 / Long Island Expressway
Merge onto I 495 / Long Island Expressway
Merge point - match speed before joining. Lane positioning matters here
Use the straight / slight right lanes.
8
11 mi into trip
|
~17m in
Take the exit toward Ronkonkoma Avenue, Lake Ronkonkoma, Sayville
Exit ramp - move to the correct lane early. Lane positioning matters here. Multiple destination signs - pick the right one
Use the slight right lane.
Exit 60
Toward Ronkonkoma Avenue, Lake Ronkonkoma, Sayv...
7
11.2 mi into trip
|
~17m in
|
Ronkonkoma Avenue
Turn left onto Ronkonkoma Avenue
Lane positioning matters here
Use the left lane.
Fuel & Cost
Regular Gas
$1.88 one way
$3.75 round trip
$4.18/gal
25.4 MPG avg
4 kg CO2
| Fuel Type | $/gal | One Way | Round Trip |
|---|---|---|---|
| midgrade | $4.52 | $2.03 | $4.06 |
| premium | $4.92 | $2.21 | $4.42 |
| diesel | $5.61 | $2.52 | $5.03 |
No toll roads detected on this route.
Drive Cost (one way)
Fuel
$2
Estimated CO2 emission: 4 kg one way. Prices: EIA weekly data, 2026-04-13.
Driving Electric?
About $1 in charging · 0 stops · 75% less CO2
| Vehicle Type | kWh | Stops | DC Fast | Home Charge |
|---|---|---|---|---|
| Average EV | 3.4 | 0 | $1.20 | $0.55 |
| Efficient EV | 2.9 | 0 | $1.00 | $0.46 |
| EV Truck/SUV | 4.6 | 0 | $1.60 | $0.73 |
Gas CO2
4 kg
EV CO2
1 kg (75% 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
Ronkonkoma, NY
Late night in Ronkonkoma on Tuesday
Local time
5:24 AM
EDT
Current temp
51°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
7 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
18m 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.
What kind of drive is this?
Expect a mixed drive on this route, with a substantial portion, around 44%, spent on highways like the Long Island Expressway. The longest continuous stretch you'll encounter is about 5 miles on the Long Island Expressway, offering a taste of faster-paced travel. Beyond the highway segments, you'll also experience some local road driving, likely involving turns and potentially varying speed limits as you transition between Islip Avenue and Joshuas Path. This blend means you won't be stuck in monotonous interstate cruising for the entire 11.4 miles.
44% highway, the rest on surface roads — varied driving throughout.
10 navigation steps total — most of the decisions cluster near the start and finish.
Longest single stretch: 5 mi on Long Island Expressway.
How Hard Is This Drive?
4/10
This route mixes highway mileage with some local-road sections near the start or finish. 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 18m drive. You will face about 6 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 5.7 miles (Express Drive South): Navigation decision point; at 5.9 miles (I 495 / Long Island Expressway): Merge point - match speed before joining. Lane positioning matters here.
About the Cities
Starting in Islip, NY
Full guide →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
- • Bayport Aerodrome — airport in Suffolk County, New York, United States
- • Connetquot River State Park Preserve — state park in New York
- • Modesty — oyster-dredging sloop built in Long Island
Arriving in Ronkonkoma, NY
Full guide →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.
City content from Wikivoyage (CC BY-SA 4.0) and Wikidata (CC0).
Who Is This Route For?
Weekend Trip
Doable as a same-day drive at 18m. Total distance: 11.4 miles.
Family Friendly
Moderate complexity with 0 natural rest stops along the way.
Solo Traveler
18m drive, comfortable solo distance.
EV Driver
0 DC fast chargers along the route. Coverage: unknown.
First-Time Driver
Mostly highway driving (44%). Straightforward navigation.
Scenic Drive
Mixed highway & surface route profile with national parks nearby.
Frequently Asked Questions
The longest stretch is about 5 miles on Long Island Expressway. The full list of main roads is in the Roads section above.
Yes. At under 2 hours behind the wheel, this works well for families — plan one quick stop if you have younger kids.
The main spots that need attention: at 0.2 miles (NY 111 / Islip Avenue): Lane positioning matters here; at 5.7 miles (Express Drive South): Navigation decision point; at 5.9 miles (I 495 / Long Island Expressway): Merge point - match speed before joining. Lane positioning matters here.
Yes — Fire Island National Seashore. See the National Parks section for detour distances and tips on detours.
Yes. A round trip is manageable in a single day if you plan a break at Ronkonkoma, NY before heading back.
How this page is built
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, and NPS for national parks. See our methodology for refresh cadence and limitations.
Was this helpful?
Thanks for your feedback!
Your tip has been submitted. Thanks!
/500
Recent Tips
·
Explore More
Continue From Ronkonkoma, NY
More trips to Ronkonkoma, NY
Explore more options from Islip, NY or browse trips ending in Ronkonkoma, NY.
Looking for more statewide routes? Browse NY road trips.