Origin
Larchmont, NY
Morning in Larchmont on Friday
Local time
6:53 AM
EDT
Current temp
46°F
Unavailable
Live forecast
Trip from Larchmont, NY to Islip, NY
Compiled and reviewed by the Trip.ovh planning team at COD Solutions Oy · Last reviewed Apr 17, 2026 · Editorial standards
Drive Time
1h 14m
Distance
51.8 mi
83 km
Drive Score
9/10
Great drive
Same Day?
Yes, doable
Fuel Cost
$9
one way
EV Charging
Unknown
Best Time to Leave
4 AM
1h 9m
★
6 AM
1h 15m
8 AM
1h 27m
10 AM
1h 19m
12 PM
1h 18m
3 PM
1h 20m
5 PM
1h 26m
8 PM
1h 11m
Estimated drive times based on typical traffic patterns. Actual times may vary with weather, construction, and real-time conditions.
Larchmont, NY
Wikimedia Commons
Islip, NY
Wikimedia Commons
Trip Overview
The drive from Larchmont, NY to Islip, NY covers 51.8 miles and takes about 1h 14m behind the wheel. This route is realistic as a one-day drive if you keep your stops efficient.
The route leans on Southern State Parkway, New England Thruway, Clearview Expressway for much of the mileage, and the overall profile is highway-focused drive. The longest uninterrupted segment is about 24.7 miles on Southern State Parkway. At current regular gas prices, budget about $8.53 one way before food or hotel costs.
Who Is This Route For?
Weekend Trip
Doable as a same-day drive at 1h 14m. Total distance: 51.8 miles.
Family Friendly
Moderate complexity with 0 natural rest stops along the way.
Solo Traveler
1h 14m drive, comfortable solo distance.
EV Driver
0 DC fast chargers along the route. Coverage: unknown.
First-Time Driver
Mostly highway driving (67%). Some complex stretches to watch for.
Drive Character
This is a 1h 14m highway drive covering 51.8 miles, with most of the trip on Southern State Parkway and New England Thruway. The longest continuous stretch is about 24.7 miles on Southern State Parkway.
Most of the miles stay on highways, which makes pacing and fuel planning easier than turn-by-turn city driving.
There are about 31 navigation steps in the underlying route data, so the final approach matters more than the middle miles.
Southern State Parkway is the longest continuous segment at about 24.7 miles.
How Hard Is This Drive?
This is a straightforward highway drive that stays mostly on Southern State Parkway and New England Thruway. This route has several spots where lane changes, forks, or exits need your full attention. The trickiest moment comes around 9.4 miles in near I 695 / Throgs Neck Expressway.
Driving Effort
10/10
Demanding - stay alert through the decision-heavy sections
Balances navigation complexity with total wheel time.
This drive requires moderate attention. Across 51.8 miles you will encounter 15 spots where lane choice or exit timing matters. Not difficult for experienced highway drivers, but worth previewing the tricky sections before you go.
Where does it get tricky?
The main spots that need attention: at 9.4 miles (I 695 / Throgs Neck Expressway): Highway fork - watch signs carefully. Lane positioning matters here. Multiple destination signs - pick the right one; at 22 miles: Exit ramp - move to the correct lane early. Lane positioning matters here. Multiple destination signs - pick the right one; at 47 miles (SO / Southern State Parkway): Highway fork - watch signs carefully. Lane positioning matters here.
Critical Maneuvers
5 of 15 key pointsThese are the spots where you need to pay the most attention. Preview them before you drive.
9
9.4 mi into trip
|
~14m in
|
I 695 / Throgs Neck Expressway
Keep slight left at fork onto I 695 / Throgs Neck Expressway toward I 695 South: Throgs Neck Bridge, Long Island
Highway fork - watch signs carefully. Lane positioning matters here. Multiple destination signs - pick the right one
Use the slight left / slight right lanes.
Exit 7A
Toward I 695 South: Throgs Neck Bridge, Long Is...
8
22 mi into trip
|
~33m in
Take the exit toward Southern State Parkway East, Eastern Long Island
Exit ramp - move to the correct lane early. Lane positioning matters here. Multiple destination signs - pick the right one
Use the slight left / straight lanes.
Exit 25A
Toward Southern State Parkway East, Eastern Lon...
6
47 mi into trip
|
~1h 5m in
|
SO / Southern State Parkway
Keep slight left at fork onto SO / Southern State Parkway
Highway fork - watch signs carefully. Lane positioning matters here
Use the straight / slight right lanes.
9
47.2 mi into trip
|
~1h 5m in
Take the exit toward Bay Shore Road South, Bay Shore
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 41S
Toward Bay Shore Road South, Bay Shore
7
48.3 mi into trip
|
~1h 8m in
|
CR 57 / Howells Road
Keep slight right at fork onto CR 57 / Howells Road toward Howells Road South
Highway fork - watch signs carefully. Lane positioning matters here
Use the right lane.
Toward Howells Road South
Towns Mentioned on Route Signs
Based on OSRM destination-sign hints, not a full list of every settlement the road passes.
Between Larchmont, NY and Islip, NY, road signs point toward Long Island, Cross Island Parkway South, Southern State Parkway East, Eastern Long Island, Bay Shore Road South and Bay Shore - among others.
Long Island
9.4 mi in
|
~14m
|
via I 695
Cross Island Parkway South
20.4 mi in
|
~30m
Southern State Parkway East
22 mi in
|
~33m
Eastern Long Island
22 mi in
|
~33m
Bay Shore Road South
47.2 mi in
|
~1h 5m
Bay Shore
47.2 mi in
|
~1h 5m
Howells Road South
48.3 mi in
|
~1h 8m
|
via CR 57
Main Roads
| Road | Distance | Duration |
|---|---|---|
| Southern State Parkway | 24.7 mi | 31m |
| New England Thruway | 5.8 mi | 8m |
| Clearview Expressway | 5 mi | 5m |
| Throgs Neck Expressway | 2.2 mi | 3m |
| Throgs Neck Bridge | 2 mi | 3m |
| East Main Street | 1.7 mi | 2m |
| Bruckner Expressway | 1.3 mi | 2m |
| Cross Island Parkway | 1.3 mi | 1m |
Longest stretch:
Southern State Parkway
— 24.7 mi, about 31m
Turn-by-Turn Driving Directions
Step-by-step road directions between Larchmont, NY and Islip, NY.
1
Start on US 1
0.8 mi
·
1 min
·
Boston Post Road
2
Continue on US 1
0.6 mi
·
1 min
·
East Main Street
3
Continue on US 1
0.2 mi
·
25 sec
·
Huguenot Street
4
Turn right onto River Street
0.3 mi
·
37 sec
·
River Street
Use the straight / left lanes.
5
Continue on Cedar Street
369 ft
·
7 sec
·
Cedar Street
6
Take the ramp
0.2 mi
·
20 sec
Toward I 95 South: New York
7
Merge onto I 95
5.8 mi
·
8 min
·
New England Thruway
Use the straight / slight right lanes.
8
Continue on I 95
1.3 mi
·
2 min
·
Bruckner Expressway
Use the straight / right lanes.
9
Keep slight left at fork onto I 695
2.2 mi
·
3 min
·
Throgs Neck Expressway
Exit 7A
Toward I 695 South: Throgs Neck Bridge, Long Island
Use the slight left / slight right lanes.
10
Continue on I 295
2.0 mi
·
3 min
·
Throgs Neck Bridge
Use the straight / slight right lanes.
11
Continue on I 295
5.0 mi
·
5 min
·
Clearview Expressway
Use the straight / slight right lanes.
12
Continue on NY 24
0.7 mi
·
1 min
·
Hollis Court Boulevard
Use the straight lane.
13
At end of road, turn left onto NY 24
0.2 mi
·
35 sec
·
Jamaica Avenue
Use the left lane.
14
Turn right onto Hempstead Avenue
0.9 mi
·
2 min
·
Hempstead Avenue
15
Turn right onto 225th Street
228 ft
·
9 sec
·
225th Street
Use the right lane.
16
Take the ramp
0.2 mi
·
28 sec
Toward Cross Island Parkway South, Verrazano Bridge
17
Merge onto CI
1.3 mi
·
1 min
·
Cross Island Parkway
Use the straight / slight right lanes.
18
Take the exit
0.5 mi
·
1 min
Exit 25A
Toward Southern State Parkway East, Eastern Long Island
Use the slight left / straight lanes.
19
Merge onto SO
25 mi
·
31 min
·
Southern State Parkway
Use the straight / slight right lanes.
20
Keep slight left at fork onto SO
0.2 mi
·
16 sec
·
Southern State Parkway
Use the straight / slight right lanes.
21
Take the exit
0.2 mi
·
31 sec
Exit 41S
Toward Bay Shore Road South, Bay Shore
Use the slight right lane.
22
Turn straight onto CR 57
0.5 mi
·
1 min
·
Bay Shore Road
23
Continue on CR 57
0.3 mi
·
43 sec
·
Howells Road
24
Turn straight onto CR 57
341 ft
·
6 sec
·
Sunrise Highway
25
Keep slight right at fork onto CR 57
0.6 mi
·
1 min
·
Howells Road
Toward Howells Road South
Use the right lane.
26
Continue on CR 57
0.2 mi
·
24 sec
·
Roosevelt Street
27
Continue on CR 57
0.7 mi
·
1 min
·
3rd Avenue
28
At end of road, turn left onto NY 27A
1.1 mi
·
1 min
·
East Main Street
29
Continue on Montauk Highway
0.2 mi
·
17 sec
·
Montauk Highway
30
Continue on NY 27A
0.8 mi
·
1 min
·
Main Street
31
Arrive at destination
NY 27A
Where to Stop
Rest stops, refuel points, and overnight suggestions along this route.
Halfway Point
Midpoint
About 25.9 mi from Larchmont, NY · 38m into the drive
Mid-route town
Meal stop
26 mi into the route
Best for: Lunch, fuel, and a longer reset
This sits close to the middle of the route, so it works well for the longest stop of the day.
Pacing Suggestions
Fuel and coffee
A short stop after about 11 miles helps settle the day before fatigue starts building.
Meal break
The midpoint is around 25.9 miles from Larchmont, NY, which is a good place for a longer meal and fuel stop.
Arriving in Islip, NY
The final approach into Islip, NY usually feels slower than the middle of the drive, so avoid planning your tightest schedule at the very end.
These stop ideas are pacing suggestions — the exact town or exit can change with traffic, hotel plans, and fuel range.
Fuel & Cost
Regular Gas
$8.53 one way
$17.05 round trip
$4.18/gal
25.4 MPG avg
18 kg CO2
| Fuel Type | $/gal | One Way | Round Trip |
|---|---|---|---|
| midgrade | $4.52 | $9.22 | $18.44 |
| premium | $4.92 | $10.04 | $20.08 |
| diesel | $5.61 | $11.44 | $22.87 |
Estimated Tolls: $6.96
Throgs Neck Bridge
$6.55
New England Thruway
(5.8 mi)
$0.41
Toll estimates based on average 2024-2025 rates. EZ-Pass/SunPass discounts may lower the actual cost.
Drive Cost (one way)
Fuel
$9
Tolls
$7
Total
$15
Estimated CO2 emission: 18.1 kg one way. Prices: EIA weekly data, 2026-04-13.
Driving Electric?
About $5 in charging · 0 stops · 67% less CO2
| Vehicle Type | kWh | Stops | DC Fast | Home Charge |
|---|---|---|---|---|
| Average EV | 15.5 | 0 | $5.44 | $2.49 |
| Efficient EV | 13 | 0 | $4.53 | $2.07 |
| EV Truck/SUV | 20.7 | 0 | $7.25 | $3.32 |
Gas CO2
18 kg
EV CO2
6 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
Islip, NY
Morning in Islip on Friday
Local time
6:53 AM
EDT
Current temp
44°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
2 degrees cooler at arrival
A meaningful temperature swing is a good cue to rethink layers, water, and how soon you want to arrive.
Road read
1h 14m 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 Larchmont, NY to Islip, NY covers 51.8 miles and takes about 1h 14m without stops. Add 15-30 minutes for a fuel or rest stop on longer drives.
The main roads are Southern State Parkway, New England Thruway, Clearview Expressway. Most of the drive stays on highways, so watch for ramps and exits.
This is a comfortable same-day trip.
The midpoint is about 25.9 miles from Larchmont, NY. Look for rest areas, gas stations, or food options near the halfway mark.
At current regular gas prices, expect to spend about $8.53 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 drive requires moderate attention. Across 51.8 miles you will encounter 15 spots where lane choice or exit timing matters. Not difficult for experienced highway drivers, but worth previewing the tricky sections before you go.
The main spots that need attention: at 9.4 miles (I 695 / Throgs Neck Expressway): Highway fork - watch signs carefully. Lane positioning matters here. Multiple destination signs - pick the right one; at 22 miles: Exit ramp - move to the correct lane early. Lane positioning matters here. Multiple destination signs - pick the right one; at 47 miles (SO / Southern State Parkway): Highway fork - watch signs carefully. Lane positioning matters here.
Between Larchmont, NY and Islip, NY, road signs point toward Long Island, Cross Island Parkway South, Southern State Parkway East, Eastern Long Island, Bay Shore Road South and Bay Shore - among others.
Yes. Nearby national parks include Hamilton Grange National Memorial, General Grant National Memorial and Fire Island National Seashore. There are 6 parks within detour distance of this route.
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. National park proximity is from the NPS API. 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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