How far is Greenport, NY from Islip, NY?
The driving distance from Greenport, NY to Islip, NY is about 57.4 miles (92.3 km), with a travel time of about 01h 27m by car.
- The straight-line flight distance is about 51.4 miles (82.7 km).
- For a round trip, plan for roughly 02h 55m of driving time before adding stops, traffic, or weather delays.
- A comfortable departure window is usually 8:00 AM to 10:00 AM EST.
Reverse, save, or send this route
This route works well as a day trip with time at the destination. Copy the route link, send it to another device, or print a clean version before you head out.
This route works well as a day trip with time at the destination.
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 01h 27m.
A morning start gives you useful time at the destination and keeps the return out of the late evening.
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 New York
Route Weather Snapshot
Check the forecast at both ends before you head out.
Light Rain
Light Rain
Driving Route Map
The map below follows the saved road route between Greenport and Islip.
Turn-by-Turn Driving Directions
Step-by-step road directions between Greenport and Islip.
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1
Start on the route
35 m · 15 sec
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2
At the end of the road, turn left onto Bay Avenue
11 m · 6 sec · Bay Avenue
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3
Turn right onto Main Street
1.4 km · 2 min · Main Street
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4
At the end of the road, turn left onto Route 48
2725 ft · 52 sec · Route 48
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5
Continue on Middle Road
12.9 mi · 19 min · Middle Road
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6
Continue on Sound Avenue
5.3 mi · 9 min · Sound Avenue
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7
Turn left onto Northville Turnpike
3.4 mi · 7 min · Northville Turnpike
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8
At the end of the road, turn left onto Roanoke Avenue
1300 ft · 50 sec · Roanoke Avenue
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9
At the end of the road, turn right onto East Main Street
35 m · 8 sec · East Main Street
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10
Turn left onto Peconic Avenue
635 ft · 17 sec · Peconic Avenue
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11
Turn right onto Nugent Drive
732 ft · 20 sec · Nugent Drive
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12
Take the exit slight left toward CR 51 south: Suffolk County Offices, Criminal/Surrogate/Family Courts, Suffolk County Community College - Riverhead Campus, East Moriches
88 m · 7 sec
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13
Merge slight left onto Center Drive South
1.7 mi · 3 min · Center Drive South
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14
Continue on East Moriches-Riverhead Road
5.3 mi · 7 min · East Moriches-Riverhead Road
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15
Take the ramp slight right toward NY 27 West: New York
1.1 km · 1 min
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16
Merge slight left onto Sunrise Highway
24.2 mi · 33 min · Sunrise Highway
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17
Take the exit slight right toward NY 111: Islip, Smithtown
593 ft · 15 sec
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18
Turn straight onto Sunrise Highway
3070 ft · 58 sec · Sunrise Highway
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19
Turn slight right onto NY 111 South: Islip
713 ft · 35 sec
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20
Turn straight onto Islip Avenue
1.4 km · 2 min · Islip Avenue
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21
At the end of the road, turn right onto Main Street
865 ft · 15 sec · Main Street
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22
Arrive at your destination
0 m · 1 sec · Main Street
Car Route Details
A richer read on the saved driving route between Greenport and Islip.
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.
Sunrise Highway
Merge slight left onto Sunrise Highway
24.2 mi · 00h 33m
Route Summary
A quick read on whether this route feels easy, ambitious, or worth planning around.
A comfortable day-trip route
This route works well as a day trip. You can leave in the morning, spend meaningful time at the destination, and still return the same day.
Light Rain leaving Greenport and Light Rain near Islip.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Greenport to Islip?
The road trip is about 57.4 miles (92.3 km) and usually takes 01h 27m in normal driving conditions.
Is this a same-day trip or an overnight route?
This route works well as a day trip. You can leave in the morning, spend meaningful time at the destination, and still return the same day.
What is the halfway point on this route?
Northampton is a useful midpoint, sitting about 28.6 miles from Greenport and 28.7 miles from Islip.
How much longer is the road route than the straight-line distance?
The direct path is about 51.4 miles (82.7 km), while the road route adds roughly 6 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 8:00 AM to 10:00 AM EST. If you want a more comfortable same-day return, try to leave by 3:34 PM EST.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $8.55 one way or $17.09 round trip. Estimated CO2 is about 18 kg one way.
What should you check before leaving?
Before you leave, expect Light Rain around Greenport and Light Rain near Islip.
Stop Ideas Near Northampton
Useful break, food, and waypoint ideas within about 15 miles of the route midpoint.
Transit and Meeting Points
Useful pickup, handoff, or rendezvous points close to Northampton.
Union Station
Bridgeport
Old Saybrook station
Wallingford station
Flight Path Map
This map shows the direct air route between Greenport and Islip. Straight-line distance: 51.39 mi (82.71 km).
#1 Greenport
Village in the United States
| Population | 2,261 |
| Coordinates | 41.1034300, -72.3592500 |
| Altitude | 3 |
| Country | United States |
#2 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 |
End: Islip (-73.21039, 40.72982)
Estimated Travel Time
Distance: 92 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 01h 54m |
| 40 mph (64.37 km/h) | 01h 26m |
| 50 mph (80.47 km/h) | 01h 08m |
| 60 mph (96.56 km/h) | 00h 57m |
| 70 mph (112.65 km/h) | 00h 49m |
| 80 mph (129 km/h) | 00h 42m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $4.23 | $8.55 | $17.09 |
| Mid-grade | $4.80 | $9.69 | $19.39 |
| Premium | $5.20 | $10.50 | $21.01 |
| Diesel | $6.42 | $12.98 | $25.95 |
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 · Nov 11, 2026