Origin
South Valley Stream, NY
Evening in South Valley Stream on Sunday
Local time
7:22 PM
EDT
Current temp
52°F
Unavailable
Live forecast
Trip from South Valley Stream, NY to Islip, NY
Drive Time
42m
Distance
28.9 mi
47 km
Drive Score
6/10
Good drive
Same Day?
Yes, doable
Fuel Cost
$5
one way
EV Charging
Loading...
station data
Best Time to Leave
4 AM
0h 38m
★
6 AM
0h 42m
8 AM
0h 49m
10 AM
0h 44m
12 PM
0h 44m
3 PM
0h 45m
5 PM
0h 49m
8 PM
0h 40m
Estimated drive times based on typical traffic patterns. Actual times may vary with weather, construction, and real-time conditions.
South Valley Stream, NY
Peter Olexa
Islip, NY
Renan Tagliaferro
Trip Overview
The drive from South Valley Stream, NY to Islip, NY covers 28.9 miles and takes about 42m behind the wheel. This route is realistic as a one-day drive if you keep your stops efficient.
The route leans on West Sunrise Highway, East Main Street, 3rd Avenue for much of the mileage, and the overall profile is turn-heavy local drive. The longest uninterrupted segment is about 24.6 miles on West Sunrise Highway. At current regular gas prices, budget about $4.70 one way before food or hotel costs.
Trip Pace
Same-day drive is realistic
A same-day return is realistic if you keep stops short.
Break Rhythm
0 planned breaks
A short stop every 2 to 3 hours is enough for this drive.
Midpoint
14.5 miles from South Valley Stream, NY
A natural place for your longest stop of the day , about 21m into the drive .
Drive Character
Expect a 42m drive with frequent turns across 28.9 miles of local and secondary roads.
This route has more turning and local-road decision points than a simple highway run.
There are about 14 navigation steps in the underlying route data, so the final approach matters more than the middle miles.
West Sunrise Highway is the longest continuous segment at about 24.6 miles.
How Hard Is This Drive?
Expect a hands-on drive with frequent turns and local roads rather than long highway stretches. You will hit about 8 points where you need to pay attention to lane position or signs. The trickiest moment comes around 0.3 miles in near Flower Road.
Route Complexity
6/10
Moderate - straightforward overall, but long enough or busy enough to require pacing
This drive requires moderate attention. Across 28.9 miles you will encounter 8 spots where lane choice or exit timing matters. Not difficult for experienced highway drivers, but worth previewing the tricky sections before you go.
Where does it get tricky?
The main spots that need attention: at 0.3 miles (Flower Road): Complex interchange - multiple decisions in a short stretch; at 0.6 miles (Old Central Avenue): Complex interchange - multiple decisions in a short stretch; at 0.6 miles (Mill Road): Lane positioning matters here.
Critical Maneuvers
5 of 8 key pointsThese are the spots where you need to pay the most attention. Preview them before you drive.
6
0.3 mi into trip
|
~1m in
|
Flower Road
At end of road, turn right onto Flower Road
Complex interchange - multiple decisions in a short stretch
6
0.6 mi into trip
|
~2m in
|
Old Central Avenue
At end of road, turn right onto Old Central Avenue
Complex interchange - multiple decisions in a short stretch
7
0.6 mi into trip
|
~2m in
|
Mill Road
Turn left onto Mill Road
Lane positioning matters here
Use the none lane.
8
25.4 mi into trip
|
~35m in
Take the exit toward CR 13: Fifth Avenue, Bay Shore, Brentwood
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 43
Toward CR 13: Fifth Avenue, Bay Shore, Brentwoo...
7
26.9 mi into trip
|
~38m in
|
NY 27A / East Main Street
At end of road, turn left onto NY 27A / East Main Street
Lane positioning matters here
Use the none lane.
Towns Along This Route
Between South Valley Stream, NY and Islip, NY, road signs point toward Bay Shore and Brentwood.
Bay Shore
25.4 mi in
|
~35m
Brentwood
25.4 mi in
|
~35m
Main Roads
| Road | Distance | Duration |
|---|---|---|
| West Sunrise Highway | 24.6 mi | 32m |
| East Main Street | 1.1 mi | 1m |
| 3rd Avenue | 0.9 mi | 1m |
| Main Street | 0.8 mi | 1m |
| Sunrise Highway | 0.4 mi | <1m |
| Flower Road | 0.3 mi | 1m |
| Forest Road | 0.3 mi | 1m |
| Mill Road | 0.2 mi | <1m |
Longest stretch:
West Sunrise Highway
— 24.6 mi, about 32m
Turn-by-Turn Driving Directions
Step-by-step road directions between South Valley Stream, NY and Islip, NY.
1
Start on Forest Road
0.3 mi
·
1 min
·
Forest Road
2
At end of road, turn right onto Flower Road
0.3 mi
·
1 min
·
Flower Road
3
At end of road, turn right onto Old Central Avenue
240 ft
·
17 sec
·
Old Central Avenue
4
Turn left onto Mill Road
0.2 mi
·
29 sec
·
Mill Road
Use the none lane.
5
Turn right onto NY 27
25 mi
·
32 min
·
West Sunrise Highway
Use the straight / right lanes.
6
Take the exit
0.1 mi
·
18 sec
Exit 43
Toward CR 13: Fifth Avenue, Bay Shore, Brentwood
Use the straight / slight right lanes.
7
Turn straight onto Sunrise Highway
0.4 mi
·
42 sec
·
Sunrise Highway
8
Turn right onto 3rd Avenue
0.3 mi
·
38 sec
·
3rd Avenue
9
At end of road, turn straight onto CR 57
191 ft
·
5 sec
·
Roosevelt Street
10
Continue on CR 57
0.7 mi
·
1 min
·
3rd Avenue
Use the none lane.
11
At end of road, turn left onto NY 27A
1.1 mi
·
1 min
·
East Main Street
Use the none lane.
12
Continue on Montauk Highway
0.2 mi
·
17 sec
·
Montauk Highway
Use the none lane.
13
Continue on NY 27A
0.8 mi
·
1 min
·
Main Street
Use the none lane.
14
Arrive at destination
NY 27A
Trip Plan
Morning Departure
Leave by 9 AM and you'll arrive before lunch.
Evening Departure
Even a 4 PM departure gets you there before dark in summer.
You can normally do this drive in one day.
You may only need one short stretch break if traffic stays light.
The halfway point lands around 14.5 miles from South Valley Stream, NY, or about 21m into the drive.
The longest continuous stretch on this route runs about 24.6 miles.
This is a comfortable same-day trip.
Departure
Before you leave
Start with fuel, water, and navigation already sorted so the first hour feels easy.
First stop
Around 28.9 miles or 42m in
Use this first pause for coffee, a restroom break, and a quick traffic check ahead.
Halfway reset
Around 14.5 miles or 21m in
This is the best place for your longest stop, a real meal, and a full fuel check.
Final approach
Final hour starts around 34m
Traffic, exits, and arrival timing usually matter more near Islip, NY than in the middle of the route.
Before You Leave
+
Open the route before leaving South Valley Stream, NY so your first major turns are already loaded.
+
Leave with enough water and a charging cable within reach, not packed away.
+
Check your fuel range against the first long segment, especially if you are starting outside city service areas.
Day 1
Settle into the route from South Valley Stream, NY
This is one driving day of about 28.9 miles and 42m.
Your first comfortable stop window is around 80 miles from South Valley Stream, NY.
This route can stay practical as a one-day drive if traffic stays reasonable.
You may only need one short stretch stop if conditions stay smooth.
The longest stretch is on West Sunrise Highway for about 24.6 miles.
Where to Stop
Rest stops, refuel points, and overnight suggestions along this route.
Halfway Point
Midpoint
About 14.5 mi from South Valley Stream, NY · 21m into the drive
Mid-route town
Meal stop
14 mi into the route
Best for: Lunch, fuel, and a longer reset
This sits close to the middle of the route, so it works well for the longest stop of the day.
Pacing Suggestions
Fuel and coffee
A short stop after about 28.9 miles helps settle the day before fatigue starts building.
Meal break
The midpoint is around 14.5 miles from South Valley Stream, NY, which is a good place for a longer meal and fuel stop.
Arriving in Islip, NY
The final approach into Islip, NY usually feels slower than the middle of the drive, so avoid planning your tightest schedule at the very end.
Try to arrive with enough fuel left to skip an immediate station stop unless you already know the area around Islip, NY.
These stop ideas are pacing suggestions — the exact town or exit can change with traffic, hotel plans, and fuel range.
Fuel & Cost
Regular Gas
$4.70 one way
$9.41 round trip
$4.14/gal
25.4 MPG avg
10 kg CO2
| Fuel Type | $/gal | One Way | Round Trip |
|---|---|---|---|
| midgrade | $4.48 | $5.10 | $10.20 |
| premium | $4.88 | $5.56 | $11.11 |
| diesel | $5.64 | $6.42 | $12.84 |
No toll roads detected on this route.
Estimated Trip Cost (one way, 1 person)
Fuel
$5
Meals
$25–$50
Total
$30–$55
Rough estimate based on US averages. Hotel $80–$140/night, meals $25–$50/day.
Estimated CO2 emission: 10.1 kg one way. Prices: EIA weekly data, 2026-04-06.
Driving Electric?
About $3 in charging · 0 stops · 70% less CO2
| Vehicle Type | kWh | Stops | DC Fast | Home Charge |
|---|---|---|---|---|
| Average EV | 8.7 | 0 | $3.03 | $1.39 |
| Efficient EV | 7.2 | 0 | $2.53 | $1.16 |
| EV Truck/SUV | 11.6 | 0 | $4.05 | $1.85 |
Gas CO2
10 kg
EV CO2
3 kg (70% 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
Evening in Islip on Sunday
Local time
7:22 PM
EDT
Current temp
51°F
Unavailable
Live forecast
Seasonal Notes
Summer travel usually means heavier construction, hotter rest stops, and busier weekend traffic around major cities.
Winter travel shortens daylight, so a route that looks manageable on paper can feel much longer after dark.
Holiday weekends tend to make both departure and arrival windows slower than the raw route time suggests.
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 cooler at arrival
A meaningful temperature swing is a good cue to rethink layers, water, and how soon you want to arrive.
Road read
42m 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 South Valley Stream, NY to Islip, NY covers 28.9 miles and takes about 42m without stops. Add 15-30 minutes for a fuel or rest stop on longer drives.
The main roads are West Sunrise Highway, East Main Street, 3rd Avenue. Expect a mix of highway and local road driving.
This is a comfortable same-day trip.
The midpoint is about 14.5 miles from South Valley Stream, NY. Look for rest areas, gas stations, or food options near the halfway mark.
At current regular gas prices, expect to spend about $4.70 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 drive requires moderate attention. Across 28.9 miles you will encounter 8 spots where lane choice or exit timing matters. Not difficult for experienced highway drivers, but worth previewing the tricky sections before you go.
The main spots that need attention: at 0.3 miles (Flower Road): Complex interchange - multiple decisions in a short stretch; at 0.6 miles (Old Central Avenue): Complex interchange - multiple decisions in a short stretch; at 0.6 miles (Mill Road): Lane positioning matters here.
Between South Valley Stream, NY and Islip, NY, road signs point toward Bay Shore and Brentwood.
Was this route helpful?
Thanks for your feedback!
Your tip has been submitted. Thanks!
/500
Recent Tips
·
Explore More
Continue From Islip, NY
More from South Valley Stream, NY
More trips to Islip, NY
Explore more options from South Valley Stream, NY or browse trips ending in Islip, NY.
Looking for more statewide routes? Browse NY road trips.
Explore maps for South Valley Stream, NY or Islip, NY on MapSof.net.