Compiled and reviewed by the Trip.ovh planning team at COD Solutions Oy · Last reviewed Apr 18, 2026 · Editorial standards
Drive Time
34m
Distance
23.9 mi
38 km
Drive Score
7/10
Good drive
Same Day?
Yes, doable
Fuel Cost
$4
one way
EV Charging
Good
5 stations
Estimated drive times based on typical traffic patterns. Actual times may vary with weather, construction, and real-time conditions.
Islip, NY
Wikimedia Commons
South Hempstead, NY
Mel Audelo
The drive from Islip, NY to South Hempstead, NY covers 23.9 miles and takes about 34m 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, Main Street, Howells Road for much of the mileage, and the overall profile is highway-focused drive. The longest uninterrupted segment is about 18.6 miles on Southern State Parkway. At current regular gas prices, budget about $3.93 one way before food or hotel costs.
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 34m. Total distance: 23.9 miles.
Family Friendly
Moderate complexity with 0 natural rest stops along the way.
Solo Traveler
34m drive, comfortable solo distance.
EV Driver
0 DC fast chargers along the route. Coverage: unknown.
First-Time Driver
Mostly highway driving (78%). Some complex stretches to watch for.
This is a 34m highway drive covering 23.9 miles, with most of the trip on Southern State Parkway and Main Street. The longest continuous stretch is about 18.6 miles on Southern State Parkway.
This is a straightforward highway drive that stays mostly on Southern State Parkway and Main Street. You will hit about 6 points where you need to pay attention to lane position or signs. The trickiest moment comes around 2 miles in near 3rd Avenue.
Moderate - straightforward overall, but long enough or busy enough to require pacing
Balances navigation complexity with total wheel time.
This drive requires moderate attention. Across 23.9 miles you will encounter 6 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 2 miles (3rd Avenue): Navigation decision point; at 3.6 miles (CR 57 / Howells Road): Highway fork - watch signs carefully. Lane positioning matters here. Multiple destination signs - pick the right one; at 4.5 miles: Navigation decision point.
These are the spots where you need to pay the most attention. Preview them before you drive.
Turn right onto 3rd Avenue
Navigation decision point
Keep slight right at fork onto CR 57 / Howells Road toward Howells Road, Deer Park
Highway fork - watch signs carefully. Lane positioning matters here. Multiple destination signs - pick the right one
Take the ramp toward SO West: New York
Navigation decision point
Merge onto SO / Southern State Parkway
Merge point - match speed before joining. Lane positioning matters here
Take the exit toward Grand Avenue South
Exit ramp - move to the correct lane early. Lane positioning matters here
Based on OSRM destination-sign hints, not a full list of every settlement the road passes.
Between Islip, NY and South Hempstead, NY, road signs point toward Deer Park and So West: New York.
Deer Park
So West: New York
| Road | Distance | Duration |
|---|---|---|
| Southern State Parkway | 18.6 mi | 23m |
| Main Street | 1.8 mi | 3m |
| Howells Road | 1 mi | 2m |
| Bay Shore Road | 0.6 mi | 1m |
| 3rd Avenue | 0.6 mi | 1m |
| Grand Avenue | 0.5 mi | 1m |
| Rossevelt Street | 0.3 mi | <1m |
| Montauk Highway | 0.2 mi | <1m |
Step-by-step road directions between Islip, NY and South Hempstead, NY.
Start on NY 27A
Continue on Montauk Highway
Continue on NY 27A
Turn right onto 3rd Avenue
Continue on CR 57
Continue on CR 57
Turn straight onto Sunrise Highway
Keep slight right at fork onto CR 57
Continue on CR 57
Take the ramp
Continue on this road
Merge onto SO
Take the exit
Turn slight right onto Grand Avenue
Turn right onto Stratford Road
Arrive at destination
Regular Gas
$3.93 one way
$7.87 round trip
| Fuel Type | $/gal | One Way | Round Trip |
|---|---|---|---|
| midgrade | $4.52 | $4.25 | $8.51 |
| premium | $4.92 | $4.63 | $9.26 |
| diesel | $5.61 | $5.28 | $10.55 |
No toll roads detected on this route.
Drive Cost (one way)
Fuel
$4
Estimated CO2 emission: 8.4 kg one way. Prices: EIA weekly data, 2026-04-13.
Driving Electric?
About $3 in charging · 0 stops · 63% less CO2
| Vehicle Type | kWh | Stops | DC Fast | Home Charge |
|---|---|---|---|---|
| Average EV | 7.2 | 0 | $2.51 | $1.15 |
| Efficient EV | 6 | 0 | $2.09 | $0.96 |
| EV Truck/SUV | 9.6 | 0 | $3.35 | $1.53 |
Gas CO2
8 kg
EV CO2
3 kg (63% 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
Morning in Islip on Saturday
Local time
9:39 AM
EDT
Current temp
78°F
Mostly Sunny
Destination
Morning in South Hempstead on Saturday
Local time
9:39 AM
EDT
Current temp
46°F
Unavailable
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.
Compiled by the Trip.ovh 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.
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