How far is Islip, NY from Monticello, NY?
The driving distance from Islip, NY to Monticello, NY is about 131.7 miles (212 km), with a travel time of about 02h 54m by car.
- The straight-line flight distance is about 100 miles (161 km).
- For a round trip, plan for roughly 05h 48m of driving time before adding stops, traffic, or weather delays.
- A comfortable departure window is usually 8:00 AM to 10:00 AM EDT.
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 02h 54m.
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.
Town in Rockland County, New York, USA
Route Weather Snapshot
Check the forecast at both ends before you head out.
Partly Sunny
Driving Route Map
The map below follows the saved road route between Islip and Monticello.
Turn-by-Turn Driving Directions
Step-by-step road directions between Islip and Monticello.
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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
24.7 mi · 32 min · Southern State Parkway
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13
Take the exit slight right toward Cross Island Parkway North, Whitestone Bridge
1780 ft · 43 sec
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14
Merge slight left onto Cross Island Parkway
1.3 mi · 2 min · Cross Island Parkway
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15
Take the exit slight right toward NY 24: UBS Arena-Belmont Park
97 m · 9 sec
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16
Keep slight left to continue on NY 24 West: Hempstead Avenue
133 m · 12 sec
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17
Keep slight right to continue on Cross Island Parkway North, Hempstead Avenue West
532 ft · 15 sec
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18
Keep slight right to continue on Hempstead Avenue West
81 m · 8 sec
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19
Continue on Grandstand, Hempstead Avenue West
549 ft · 14 sec
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20
Keep slight left to continue on Hempstead Avenue
31 m · 5 sec
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21
Turn right onto Hempstead Avenue
1.6 km · 2 min · Hempstead Avenue
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22
Turn left onto Jamaica Avenue
553 ft · 17 sec · Jamaica Avenue
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23
Turn right onto 212th Street
1.2 km · 1 min · 212th Street
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24
Continue on Clearview Expressway
5 mi · 5 min · Clearview Expressway
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25
Continue on Throgs Neck Bridge
2 mi · 3 min · Throgs Neck Bridge
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26
Continue on Throgs Neck Expressway
1.1 km · 1 min · Throgs Neck Expressway
-
27
Keep slight left to continue on Cross Bronx Expressway
6.6 mi · 9 min · Cross Bronx Expressway
-
28
Keep slight left to continue on Trans-Manhattan Expressway
1.1 km · 1 min · Trans-Manhattan Expressway
-
29
Continue on George Washington Bridge (upper level)
3167 ft · 60 sec · George Washington Bridge (upper level)
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30
Continue straight
2659 ft · 48 sec
-
31
Keep slight left
3214 ft · 39 sec
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32
Keep slight left
559 ft · 9 sec
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33
Take the exit slight right toward I 95 South, NJTP South: Hackensack
1270 ft · 23 sec
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34
Keep slight right to continue on NJ 4 West: Paramus
970 ft · 24 sec
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35
Merge slight right
6.7 mi · 9 min
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36
Take the exit straight toward GSP South, NJ 17 South, GSP North, NJ 17 North: Grand State Plaza, Newark, Mahwah
951 ft · 26 sec
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37
Keep slight right to continue on NJ 17 North: Mahwah
1302 ft · 37 sec
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38
Merge slight left
3.3 mi · 4 min
-
39
Continue straight
7.3 mi · 10 min
-
40
Continue straight
1.2 km · 50 sec
-
41
Continue straight
3.3 mi · 4 min
-
42
Continue straight
877 ft · 11 sec
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43
Keep slight left to continue on I 87 North, NY 17 North, New York State Thruway North: Albany
14.3 mi · 16 min
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44
Take the exit slight right toward US 6, NY 17: Harriman
1.5 mi · 3 min
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45
Continue straight
46 m · 4 sec
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46
Keep slight left to continue on NY 17 West: Binghamton
2294 ft · 30 sec
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47
Continue straight
40.4 mi · 48 min
-
48
Take the exit slight right toward CR 173: East Broadway
908 ft · 24 sec
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49
Continue on Resorts World Drive
881 ft · 24 sec · Resorts World Drive
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50
Turn left onto Towner Road
850 ft · 20 sec · Towner Road
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51
Enter the roundabout and take exit 1 toward East Broadway
12 m · 2 sec · East Broadway
-
52
Exit the roundabout onto East Broadway
2.2 mi · 4 min · East Broadway
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53
Arrive at your destination
0 m · 1 sec · Broadway
Car Route Details
A richer read on the saved driving route between Islip and Monticello.
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.
NY 17 West
Continue straight
40.4 mi · 00h 48m
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.
Partly Sunny leaving Islip and Partly Sunny near Monticello.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Islip to Monticello?
The road trip is about 131.7 miles (212 km) and usually takes 02h 54m 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?
Chestnut Ridge is a useful midpoint, sitting about 65.8 miles from Islip and 65.9 miles from Monticello.
How much longer is the road route than the straight-line distance?
The direct path is about 100 miles (161 km), while the road route adds roughly 31.7 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 EDT. If you want a more comfortable same-day return, try to leave by 12:42 PM EDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $18.64 one way or $37.28 round trip. Estimated CO2 is about 41.3 kg one way.
What should you check before leaving?
Before you leave, expect Partly Sunny around Islip and Partly Sunny near Monticello.
Stop Ideas Near Chestnut Ridge
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 Chestnut Ridge.
Croton–Harmon station
Yonkers station
New Rochelle station
Pennsylvania Station
Flight Path Map
This map shows the direct air route between Islip and Monticello. Straight-line distance: 100.02 mi (160.97 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 Monticello
Village in Sullivan County, New York
| Population | 6,402 |
| Coordinates | 41.6556500, -74.6893300 |
| Altitude | 461 |
| Country | United States |
End: Monticello (-74.68933, 41.65565)
Estimated Travel Time
Distance: 212 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 04h 23m |
| 40 mph (64.37 km/h) | 03h 17m |
| 50 mph (80.47 km/h) | 02h 38m |
| 60 mph (96.56 km/h) | 02h 11m |
| 70 mph (112.65 km/h) | 01h 52m |
| 80 mph (129 km/h) | 01h 38m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $4.01 | $18.64 | $37.28 |
| Mid-grade | $4.48 | $20.84 | $41.67 |
| Premium | $4.86 | $22.60 | $45.21 |
| Diesel | $4.69 | $21.83 | $43.65 |
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 18, 2026
Distance to Other Cities
Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.