Origin
Brookhaven, NY
Afternoon in Brookhaven on Friday
Local time
3:33 PM
EDT
Current temp
43°F
Unavailable
Live forecast
Trip from Brookhaven, NY to Islip, NY
Compiled and reviewed by the Trip.ovh planning team at COD Solutions Oy · Last reviewed Apr 17, 2026 · Editorial standards
Drive Time
28m
Distance
19.3 mi
31 km
Drive Score
6/10
Good drive
Same Day?
Yes, doable
Fuel Cost
$3
one way
EV Charging
Unknown
Best Time to Leave
4 AM
0h 26m
★
6 AM
0h 29m
8 AM
0h 34m
10 AM
0h 31m
12 PM
0h 30m
3 PM
0h 31m
5 PM
0h 33m
8 PM
0h 27m
Estimated drive times based on typical traffic patterns. Actual times may vary with weather, construction, and real-time conditions.
Islip, NY
Wikimedia Commons
Trip Overview
The drive from Brookhaven, NY to Islip, NY covers 19.3 miles and takes about 28m behind the wheel. This route is realistic as a one-day drive if you keep your stops efficient.
The route leans on Sunrise Highway, Islip Avenue, Montauk Highway for much of the mileage, and the overall profile is turn-heavy local drive. The longest uninterrupted segment is about 16.2 miles on Sunrise Highway. At current regular gas prices, budget about $3.18 one way before food or hotel costs.
Who Is This Route For?
Weekend Trip
Doable as a same-day drive at 28m. Total distance: 19.3 miles.
Family Friendly
Moderate complexity with 0 natural rest stops along the way.
Solo Traveler
28m drive, comfortable solo distance.
EV Driver
0 DC fast chargers along the route. Coverage: unknown.
First-Time Driver
Mostly highway driving (0%). Straightforward navigation.
Scenic Drive
Turn-heavy local drive route profile with national parks nearby.
Drive Character
Expect a 28m drive with frequent turns across 19.3 miles of local and secondary roads.
This route has more turning and local-road decision points than a simple highway run.
There are about 12 navigation steps in the underlying route data, so the final approach matters more than the middle miles.
Sunrise Highway is the longest continuous segment at about 16.2 miles.
How Hard Is This Drive?
Expect a hands-on drive with frequent turns and local roads rather than long highway stretches. There are only a few real navigation decisions along the way. The trickiest moment comes around 1.2 miles in near CR 16 / Horseblock Road.
Driving Effort
4/10
Easy - simple navigation with a manageable amount of wheel time
Balances navigation complexity with total wheel time.
This is a straightforward 28m drive. You will face about 5 decision points, but nothing that requires special attention if you follow navigation.
Where does it get tricky?
The main spots that need attention: at 1.2 miles (CR 16 / Horseblock Road): Lane positioning matters here; at 1.5 miles: Lane positioning matters here; at 1.8 miles (NY 27 / Sunrise Highway): Merge point - match speed before joining. Lane positioning matters here.
Critical Maneuvers
5 of 5 key pointsThese are the spots where you need to pay the most attention. Preview them before you drive.
4
1.2 mi into trip
|
~2m in
|
CR 16 / Horseblock Road
Turn left onto CR 16 / Horseblock Road
Lane positioning matters here
Use the left lane.
6
1.5 mi into trip
|
~2m in
Take the ramp toward NY 27 West: New York
Lane positioning matters here
Use the right lane.
Toward NY 27 West: New York
5
1.8 mi into trip
|
~3m in
|
NY 27 / Sunrise Highway
Merge onto NY 27 / Sunrise Highway
Merge point - match speed before joining. Lane positioning matters here
Use the straight / right lanes.
8
17.4 mi into trip
|
~24m in
Take the exit toward NY 111: Islip, Smithtown
Exit ramp - move to the correct lane early. Lane positioning matters here. Multiple destination signs - pick the right one
Use the straight / slight right lanes.
Exit 45
Toward NY 111: Islip, Smithtown
6
19.1 mi into trip
|
~28m in
|
NY 27A / Main Street
At end of road, turn right onto NY 27A / Main Street
Lane positioning matters here
Use the right lane.
Towns Mentioned on Route Signs
Based on OSRM destination-sign hints, not a full list of every settlement the road passes.
On the drive from Brookhaven, NY to Islip, NY, road signs begin pointing toward Smithtown along the way.
Smithtown
17.4 mi in
|
~24m
Main Roads
| Road | Distance | Duration |
|---|---|---|
| Sunrise Highway | 16.2 mi | 22m |
| Islip Avenue | 0.9 mi | 1m |
| Montauk Highway | 0.8 mi | 1m |
| South Country Road | 0.4 mi | 1m |
| Horseblock Road | 0.3 mi | <1m |
| Main Street | 0.2 mi | <1m |
Longest stretch:
Sunrise Highway
— 16.2 mi, about 22m
Turn-by-Turn Driving Directions
Step-by-step road directions between Brookhaven, NY and Islip, NY.
1
Start on CR 36
0.4 mi
·
46 sec
·
South Country Road
2
Continue on South Country Road
354 ft
·
16 sec
·
South Country Road
3
Turn straight onto CR 80
0.8 mi
·
1 min
·
Montauk Highway
4
Turn left onto CR 16
0.3 mi
·
29 sec
·
Horseblock Road
Use the left lane.
5
Take the ramp
0.3 mi
·
33 sec
Toward NY 27 West: New York
Use the right lane.
6
Merge onto NY 27
16 mi
·
21 min
·
Sunrise Highway
Use the straight / right lanes.
7
Take the exit
0.1 mi
·
14 sec
Exit 45
Toward NY 111: Islip, Smithtown
Use the straight / slight right lanes.
8
Turn straight onto Sunrise Highway
0.6 mi
·
58 sec
·
Sunrise Highway
9
Turn slight right
0.1 mi
·
34 sec
Toward NY 111 South: Islip
10
Turn straight onto NY 111
0.9 mi
·
1 min
·
Islip Avenue
11
At end of road, turn right onto NY 27A
0.2 mi
·
14 sec
·
Main Street
Use the right lane.
12
Arrive at destination
NY 27A
Fuel & Cost
Regular Gas
$3.18 one way
$6.35 round trip
$4.18/gal
25.4 MPG avg
7 kg CO2
| Fuel Type | $/gal | One Way | Round Trip |
|---|---|---|---|
| midgrade | $4.52 | $3.44 | $6.87 |
| premium | $4.92 | $3.74 | $7.48 |
| diesel | $5.61 | $4.26 | $8.52 |
No toll roads detected on this route.
Drive Cost (one way)
Fuel
$3
Estimated CO2 emission: 6.8 kg one way. Prices: EIA weekly data, 2026-04-13.
Driving Electric?
About $2 in charging · 0 stops · 71% less CO2
| Vehicle Type | kWh | Stops | DC Fast | Home Charge |
|---|---|---|---|---|
| Average EV | 5.8 | 0 | $2.03 | $0.93 |
| Efficient EV | 4.8 | 0 | $1.69 | $0.77 |
| EV Truck/SUV | 7.7 | 0 | $2.70 | $1.24 |
Gas CO2
7 kg
EV CO2
2 kg (71% 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.
Travel Intel
Current conditions at both ends of the drive.
Destination
Islip, NY
Afternoon in Islip on Friday
Local time
3:33 PM
EDT
Current temp
44°F
Unavailable
Live forecast
Time zone
Same local time
Origin and destination are on the same clock, so arrival timing is easier to judge at a glance.
Temperature spread
1 degrees warmer at arrival
A meaningful temperature swing is a good cue to rethink layers, water, and how soon you want to arrive.
Road read
28m on the road
Use the two city cards together: check the sky where you start, then compare it with the local time and temperature at arrival.
Weather data from the National Weather Service. Conditions may change; check closer to your travel date.
Frequently Asked Questions
The drive from Brookhaven, NY to Islip, NY covers 19.3 miles and takes about 28m without stops. Add 15-30 minutes for a fuel or rest stop on longer drives.
The main roads are Sunrise Highway, Islip Avenue, Montauk Highway. Expect a mix of highway and local road driving.
This is a comfortable same-day trip.
The midpoint is about 9.6 miles from Brookhaven, NY. Look for rest areas, gas stations, or food options near the halfway mark.
At current regular gas prices, expect to spend about $3.18 one way. This estimate uses 25.4 MPG — your actual cost will vary with your vehicle's fuel efficiency and current gas prices.
Leave by 9 AM and you'll arrive before lunch. Even a 4 PM departure gets you there before dark in summer.
This is a straightforward 28m drive. You will face about 5 decision points, but nothing that requires special attention if you follow navigation.
The main spots that need attention: at 1.2 miles (CR 16 / Horseblock Road): Lane positioning matters here; at 1.5 miles: Lane positioning matters here; at 1.8 miles (NY 27 / Sunrise Highway): Merge point - match speed before joining. Lane positioning matters here.
On the drive from Brookhaven, NY to Islip, NY, road signs begin pointing toward Smithtown along the way.
Yes. Nearby national parks include Fire Island National Seashore.
How this page is built
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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