How far is Islip, NY from Halesite, NY?
The driving distance from Islip, NY to Halesite, NY is about 20.6 miles (33.2 km), with a travel time of about 00h 34m by car.
- The straight-line flight distance is about 15.3 miles (24.7 km).
- For a round trip, plan for roughly 01h 08m of driving time before adding stops, traffic, or weather delays.
- A comfortable departure window is usually 7:00 AM to 7:00 PM EDT.
Reverse, save, or send this route
This is an easy same-day return drive. Copy the route link, send it to another device, or print a clean version before you head out.
This is an easy same-day return drive.
Flight Distance
Driving Distance
Gas Cost Calculator
Leave and Arrive Planner
Pick a departure time to see your estimated arrival and same-day return window.
Drive time stays fixed at 00h 34m.
This is a short drive, so your comfort window is wide. Traffic and current weather matter more than the clock.
You are leaving earlier than the recommended window, which gives you extra margin for breaks and traffic.
Halfway Point
A useful midpoint for breaks, coffee, or meeting in the middle.
Census-designated place in Suffolk County, New York
Route Weather Snapshot
Check the forecast at both ends before you head out.
Rain Showers Likely
Showers And Thunderstorms
Driving Route Map
The map below follows the saved road route between Islip and Halesite.
Turn-by-Turn Driving Directions
Step-by-step road directions between Islip and Halesite.
-
1
Start on Main Street
865 ft · 22 sec · Main Street
-
2
Turn left onto Islip Avenue
1.8 mi · 4 min · Islip Avenue
-
3
Take the ramp slight right toward SO West: New York
936 ft · 23 sec
-
4
Merge slight left onto Heckscher State Parkway
3.6 mi · 4 min · Heckscher State Parkway
-
5
Take the exit slight right toward SA North: Kings Park
1855 ft · 45 sec
-
6
Merge slight left onto Sagtikos State Parkway
4.9 mi · 6 min · Sagtikos State Parkway
-
7
Take the exit slight right toward N West: New York
1178 ft · 29 sec
-
8
Merge slight left onto Northern State Parkway
2.8 mi · 4 min · Northern State Parkway
-
9
Take the exit slight right toward CR 35 North: Huntington
105 m · 8 sec
-
10
Continue on Deforest Road North
1346 ft · 44 sec · Deforest Road North
-
11
Turn straight onto Deer Park Road
1.1 mi · 2 min · Deer Park Road
-
12
Continue on Park Avenue
4.7 mi · 10 min · Park Avenue
-
13
Enter the roundabout and take exit 1 toward New York Avenue
6 m · 1 sec · New York Avenue
-
14
Exit the roundabout onto New York Avenue
136 m · 14 sec · New York Avenue
-
15
Enter the roundabout and take exit 2 toward New York Avenue
27 m · 3 sec · New York Avenue
-
16
Exit the roundabout onto New York Avenue
1857 ft · 55 sec · New York Avenue
-
17
Arrive at your destination
0 m · 1 sec · New York Avenue
Car Route Details
A richer read on the saved driving route between Islip and Halesite.
Turn-heavy local drive
The route has frequent decision points for its length, so lane choice and turn timing will matter more than cruising speed.
Sagtikos State Parkway
Merge slight left onto Sagtikos State Parkway
4.93 mi · 00h 06m
Route Summary
A quick read on whether this route feels easy, ambitious, or worth planning around.
A short regional drive
This route is short enough to handle as a quick errand, commute, or easy same-day return without much planning overhead.
Rain Showers Likely leaving Islip and Showers And Thunderstorms near Halesite.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Islip to Halesite?
The road trip is about 20.6 miles (33.2 km) and usually takes 00h 34m in normal driving conditions.
Is this a same-day trip or an overnight route?
This route is short enough to handle as a quick errand, commute, or easy same-day return without much planning overhead.
What is the halfway point on this route?
Commack is a useful midpoint, sitting about 10.3 miles from Islip and 10.3 miles from Halesite.
How much longer is the road route than the straight-line distance?
The direct path is about 15.3 miles (24.7 km), while the road route adds roughly 5.3 extra miles because roads do not follow the straight air line.
When is the best time to leave for this route?
A good departure window is usually 7:00 AM to 7:00 PM EDT. If you want a more comfortable same-day return, try to leave by 7:22 PM EDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $2.93 one way or $5.85 round trip. Estimated CO2 is about 6.5 kg one way.
What should you check before leaving?
Before you leave, expect Rain Showers Likely around Islip and Showers And Thunderstorms near Halesite.
Stop Ideas Near Commack
Useful break, food, and waypoint ideas within about 15 miles of the route midpoint.
Town of Babylon History Museum at Old Town Hall
Brookhaven Town Hall
Transit and Meeting Points
Useful pickup, handoff, or rendezvous points close to Commack.
Stamford Transportation Center
Bridgeport
New Rochelle station
Yonkers station
Flight Path Map
This map shows the direct air route between Islip and Halesite. Straight-line distance: 15.33 mi (24.67 km).
#1 Islip
This Long Island community is situated on the south shore of Suffolk County, New York, at an elevation of 13 feet.
| Population | 322,328 |
| Coordinates | 40.7298200, -73.2103900 |
| Altitude | 4 |
| Country | United States |
#2 Halesite
Census-designated place in Suffolk County, New York
| Population | 2,498 |
| Coordinates | 40.8884300, -73.4154000 |
| Altitude | 8 |
| Country | United States |
End: Halesite (-73.4154, 40.88843)
Estimated Travel Time
Distance: 33 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 00h 41m |
| 40 mph (64.37 km/h) | 00h 30m |
| 50 mph (80.47 km/h) | 00h 24m |
| 60 mph (96.56 km/h) | 00h 20m |
| 70 mph (112.65 km/h) | 00h 17m |
| 80 mph (129 km/h) | 00h 15m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $4.01 | $2.93 | $5.85 |
| Mid-grade | $4.48 | $3.27 | $6.54 |
| Premium | $4.86 | $3.55 | $7.10 |
| Diesel | $4.69 | $3.43 | $6.85 |
Assumes 8.3 L/100 km (about 28.3 MPG). CO2 is an estimate and varies by vehicle, fuel blend, traffic, and terrain.
Prices in New York · Apr 19, 2026
Distance to Other Cities
Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.