Origin
Franklin Square, NY
Late night in Franklin Square on Friday
Local time
12:31 AM
EDT
Current temp
46°F
Unavailable
Live forecast
Trip from Franklin Square, NY to Islip, NY
Last recalculated Apr 17, 2026
Drive Time
39m
Distance
26.7 mi
43 km
Drive Score
7/10
Good drive
Same Day?
Yes, doable
Fuel Cost
$4
one way
EV Charging
Unknown
Best Time to Leave
4 AM
0h 36m
★
6 AM
0h 39m
8 AM
0h 46m
10 AM
0h 41m
12 PM
0h 41m
3 PM
0h 42m
5 PM
0h 45m
8 PM
0h 37m
Estimated drive times based on typical traffic patterns. Actual times may vary with weather, construction, and real-time conditions.
Franklin Square, NY
Wikimedia Commons
Islip, NY
Wikimedia Commons
Trip Overview
This 26.7-mile drive from Franklin Square to Islip, NY, is a quick 39-minute journey, making it an ideal day trip. With a modest fuel cost estimate of around $4, it's an economical option for exploring the Northeast region. The route primarily utilizes the Southern State Parkway, offering a straightforward path. Given its short distance and duration, you won't need to worry about overnight stays. This drive is all about efficient travel from one point in New York to another.
Who Is This Route For?
Weekend Trip
Doable as a same-day drive at 39m. Total distance: 26.7 miles.
Family Friendly
Moderate complexity with 0 natural rest stops along the way.
Solo Traveler
39m drive, comfortable solo distance.
EV Driver
0 DC fast chargers along the route. Coverage: unknown.
First-Time Driver
Mostly highway driving (71%). Some complex stretches to watch for.
Drive Character
Expect a highway-focused experience on this route, with 71% of the drive taking place on parkways and main roads. You'll encounter a longest stretch of 17 miles on the Southern State Parkway, allowing for some sustained driving without frequent turns. While not overly complex, the drive transitions between parkway sections and local roads like Hempstead Turnpike and Greenwich Street, offering a varied but generally smooth driving experience. It’s a practical route designed for getting you to your destination efficiently.
Most of the miles stay on highways, which makes pacing and fuel planning easier than turn-by-turn city driving.
There are about 19 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 17 miles.
How Hard Is This Drive?
This is a straightforward highway drive that stays mostly on Southern State Parkway and Hempstead Turnpike. This route has several spots where lane changes, forks, or exits need your full attention. The trickiest moment comes around 2.8 miles in near Greenwich Street.
Driving Effort
8/10
Focused - busy navigation packed into a short drive
Balances navigation complexity with total wheel time.
This is a short but busy drive. With 9 decision points packed into just 26.7 miles, you will need to pay attention to lane changes and exits — but the whole thing is over in 39m.
Where does it get tricky?
The main spots that need attention: at 2.8 miles (Greenwich Street): Lane positioning matters here; at 4.9 miles: Lane positioning matters here; at 21.9 miles (SO / Southern State Parkway): Highway fork - watch signs carefully. Lane positioning matters here.
Critical Maneuvers
5 of 9 key pointsThese are the spots where you need to pay the most attention. Preview them before you drive.
6
2.8 mi into trip
|
~5m in
|
Greenwich Street
Turn right onto Greenwich Street
Lane positioning matters here
Use the right lane.
7
4.9 mi into trip
|
~9m in
Take the ramp toward SO East: East Islip
Lane positioning matters here
Use the left lane.
Toward SO East: East Islip
6
21.9 mi into trip
|
~29m 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
22.1 mi into trip
|
~30m 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
23.2 mi into trip
|
~32m 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 Franklin Square, NY and Islip, NY, road signs point toward So East: East Islip, Bay Shore Road South, Bay Shore and Howells Road South.
So East: East Islip
4.9 mi in
|
~9m
Bay Shore Road South
22.1 mi in
|
~30m
Bay Shore
22.1 mi in
|
~30m
Howells Road South
23.2 mi in
|
~32m
|
via CR 57
Main Roads
| Road | Distance | Duration |
|---|---|---|
| Southern State Parkway | 17 mi | 20m |
| Hempstead Turnpike | 2 mi | 3m |
| Greenwich Street | 1.2 mi | 2m |
| East Main Street | 1.1 mi | 1m |
| Howells Road | 0.9 mi | 2m |
| Nassau Road | 0.9 mi | 1m |
| Front Street | 0.8 mi | 1m |
| Main Street | 0.8 mi | 1m |
Longest stretch:
Southern State Parkway
— 17 mi, about 20m
Turn-by-Turn Driving Directions
Step-by-step road directions between Franklin Square, NY and Islip, NY.
1
Start on Franklin Avenue
52 ft
·
3 sec
·
Franklin Avenue
2
Turn right onto NY 24
2.0 mi
·
3 min
·
Hempstead Turnpike
Use the straight / right lanes.
3
Turn slight right onto NY 102
0.8 mi
·
1 min
·
Front Street
Use the right lane.
4
Turn right onto Greenwich Street
1.2 mi
·
2 min
·
Greenwich Street
Use the right lane.
5
Continue on Nassau Road
0.9 mi
·
1 min
·
Nassau Road
6
Take the ramp
0.2 mi
·
23 sec
Toward SO East: East Islip
Use the left lane.
7
Merge onto SO
17 mi
·
20 min
·
Southern State Parkway
Use the straight / right lanes.
8
Keep slight left at fork onto SO
0.2 mi
·
16 sec
·
Southern State Parkway
Use the straight / slight right lanes.
9
Take the exit
0.2 mi
·
31 sec
Exit 41S
Toward Bay Shore Road South, Bay Shore
Use the slight right lane.
10
Turn straight onto CR 57
0.5 mi
·
1 min
·
Bay Shore Road
11
Continue on CR 57
0.3 mi
·
43 sec
·
Howells Road
12
Turn straight onto CR 57
341 ft
·
6 sec
·
Sunrise Highway
13
Keep slight right at fork onto CR 57
0.6 mi
·
1 min
·
Howells Road
Toward Howells Road South
Use the right lane.
14
Continue on CR 57
0.2 mi
·
24 sec
·
Roosevelt Street
15
Continue on CR 57
0.7 mi
·
1 min
·
3rd Avenue
16
At end of road, turn left onto NY 27A
1.1 mi
·
1 min
·
East Main Street
17
Continue on Montauk Highway
0.2 mi
·
17 sec
·
Montauk Highway
18
Continue on NY 27A
0.8 mi
·
1 min
·
Main Street
19
Arrive at destination
NY 27A
Fuel & Cost
Regular Gas
$4.39 one way
$8.79 round trip
$4.18/gal
25.4 MPG avg
9 kg CO2
| Fuel Type | $/gal | One Way | Round Trip |
|---|---|---|---|
| midgrade | $4.52 | $4.75 | $9.50 |
| premium | $4.92 | $5.17 | $10.35 |
| diesel | $5.61 | $5.90 | $11.79 |
Estimated Tolls: $0.14
Hempstead Turnpike
(2 mi)
$0.14
Toll estimates based on average 2024-2025 rates. EZ-Pass/SunPass discounts may lower the actual cost.
Drive Cost (one way)
Fuel
$4
Tolls
$0
Total
$5
Estimated CO2 emission: 9.3 kg one way. Prices: EIA weekly data, 2026-04-13.
Driving Electric?
About $3 in charging · 0 stops · 67% less CO2
| Vehicle Type | kWh | Stops | DC Fast | Home Charge |
|---|---|---|---|---|
| Average EV | 8 | 0 | $2.80 | $1.28 |
| Efficient EV | 6.7 | 0 | $2.34 | $1.07 |
| EV Truck/SUV | 10.7 | 0 | $3.74 | $1.71 |
Gas CO2
9 kg
EV CO2
3 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
Late night in Islip on Friday
Local time
12:31 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
39m 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 Franklin Square, NY to Islip, NY covers 26.7 miles and takes about 39m without stops. Add 15-30 minutes for a fuel or rest stop on longer drives.
The main roads are Southern State Parkway, Hempstead Turnpike, Greenwich Street. Most of the drive stays on highways, so watch for ramps and exits.
This is a comfortable same-day trip.
The midpoint is about 13.4 miles from Franklin Square, NY. Look for rest areas, gas stations, or food options near the halfway mark.
At current regular gas prices, expect to spend about $4.39 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 short but busy drive. With 9 decision points packed into just 26.7 miles, you will need to pay attention to lane changes and exits — but the whole thing is over in 39m.
The main spots that need attention: at 2.8 miles (Greenwich Street): Lane positioning matters here; at 4.9 miles: Lane positioning matters here; at 21.9 miles (SO / Southern State Parkway): Highway fork - watch signs carefully. Lane positioning matters here.
Between Franklin Square, NY and Islip, NY, road signs point toward So East: East Islip, Bay Shore Road South, Bay Shore and Howells Road South.
Yes. Nearby national parks include Fire Island National Seashore, Gateway National Recreation Area and Hamilton Grange National Memorial. There are 6 parks within detour distance of this route.
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