How far is Islip, NY from New Cassel, NY?
The driving distance from Islip, NY to New Cassel, NY is about 23.7 miles (38.1 km), with a travel time of about 00h 35m by car.
- The straight-line flight distance is about 18.9 miles (30.4 km).
- For a round trip, plan for roughly 01h 10m 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 35m.
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
Rain Showers
Driving Route Map
The map below follows the saved road route between Islip and New Cassel.
Turn-by-Turn Driving Directions
Step-by-step road directions between Islip and New Cassel.
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1
Start on Main Street
1.2 km · 1 min · Main Street
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2
Continue on Montauk Highway
1014 ft · 19 sec · Montauk Highway
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3
Continue on Main Street
1.1 mi · 2 min · Main Street
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4
Turn right onto 3rd Avenue
2920 ft · 1 min · 3rd Avenue
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5
Continue on Rossevelt Street
1821 ft · 37 sec · Rossevelt Street
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6
Continue on Howells Road
1.1 km · 2 min · Howells Road
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7
Turn straight onto Sunrise Highway
50 m · 3 sec · Sunrise Highway
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8
Keep slight right to continue on Howells Road
1588 ft · 36 sec · Howells Road
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9
Continue on Bay Shore Road
3165 ft · 1 min · Bay Shore Road
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10
Take the ramp slight right toward SO West: New York
736 ft · 19 sec
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11
Continue straight
111 m · 9 sec
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12
Merge slight left onto Southern State Parkway
12.8 mi · 16 min · Southern State Parkway
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13
Take the exit slight right toward W North: Westbury
1783 ft · 44 sec
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14
Merge slight left onto Wantagh State Parkway
4.2 mi · 6 min · Wantagh State Parkway
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15
Take the exit slight right toward Old Country Road West, Westbury
86 m · 7 sec
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16
Keep slight right to continue on Old Country Road West, Westbury
92 m · 8 sec
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17
At the end of the road, turn right onto Old Country Road
1.1 km · 1 min · Old Country Road
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18
Turn right onto Urban Avenue
2184 ft · 1 min · Urban Avenue
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19
Turn left onto Broadway
1663 ft · 1 min · Broadway
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20
Arrive at your destination
0 m · 1 sec · Broadway
Car Route Details
A richer read on the saved driving route between Islip and New Cassel.
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.
Southern State Parkway
Merge slight left onto Southern State Parkway
12.8 mi · 00h 16m
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 Rain Showers near New Cassel.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Islip to New Cassel?
The road trip is about 23.7 miles (38.1 km) and usually takes 00h 35m 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?
East Farmingdale is a useful midpoint, sitting about 11.8 miles from Islip and 11.9 miles from New Cassel.
How much longer is the road route than the straight-line distance?
The direct path is about 18.9 miles (30.4 km), while the road route adds roughly 4.8 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 7:20 PM EDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $3.33 one way or $6.65 round trip. Estimated CO2 is about 7.4 kg one way.
What should you check before leaving?
Before you leave, expect Rain Showers Likely around Islip and Rain Showers near New Cassel.
Stop Ideas Near East Farmingdale
Useful break, food, and waypoint ideas within about 15 miles of the route midpoint.
Town of Babylon History Museum at Old Town Hall
Babylon Town Hall Annex
Transit and Meeting Points
Useful pickup, handoff, or rendezvous points close to East Farmingdale.
Stamford Transportation Center
New Rochelle station
Yonkers station
Pennsylvania Station
Flight Path Map
This map shows the direct air route between Islip and New Cassel. Straight-line distance: 18.91 mi (30.43 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 New Cassel
Census-designated place in Nassau County, New York
| Population | 14,059 |
| Coordinates | 40.7589900, -73.5695700 |
| Altitude | 37 |
| Country | United States |
End: New Cassel (-73.56957, 40.75899)
Estimated Travel Time
Distance: 38 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 00h 47m |
| 40 mph (64.37 km/h) | 00h 35m |
| 50 mph (80.47 km/h) | 00h 28m |
| 60 mph (96.56 km/h) | 00h 23m |
| 70 mph (112.65 km/h) | 00h 20m |
| 80 mph (129 km/h) | 00h 17m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $4.01 | $3.33 | $6.65 |
| Mid-grade | $4.48 | $3.72 | $7.44 |
| Premium | $4.86 | $4.03 | $8.07 |
| Diesel | $4.69 | $3.90 | $7.79 |
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.