Origin
Islip, NY
Evening in Islip on Sunday
Local time
7:24 PM
EDT
Current temp
51°F
Unavailable
Live forecast
Trip from Islip, NY to South Valley Stream, NY
Drive Time
42m
Distance
29.2 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 39m
★
6 AM
0h 42m
8 AM
0h 49m
10 AM
0h 45m
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.
Islip, NY
Renan Tagliaferro
South Valley Stream, NY
Peter Olexa
Trip Overview
The drive from Islip, NY to South Valley Stream, NY covers 29.2 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 Sunrise Highway, Commack Road, Nassau Avenue for much of the mileage, and the overall profile is turn-heavy local drive. The longest uninterrupted segment is about 27.3 miles on Sunrise Highway. At current regular gas prices, budget about $4.75 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
14.6 miles from Islip, NY
A natural place for your longest stop of the day , about 20m into the drive .
Drive Character
Expect a 42m drive with frequent turns across 29.2 miles of local and secondary roads.
This route has more turning and local-road decision points than a simple highway run.
There are about 13 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 27.3 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 early in the drive near Nassau Avenue.
Route Complexity
5/10
Moderate - straightforward overall, but long enough or busy enough to require pacing
This drive requires moderate attention. Across 29.2 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: near the start (Nassau Avenue): Lane positioning matters here; at 0.9 miles (Sunrise Highway): Lane positioning matters here; at 1.3 miles (NY 27 / Sunrise Highway): Merge point - match speed before joining. 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 mi into trip
|
~0m in
|
Nassau Avenue
Turn right onto Nassau Avenue
Lane positioning matters here
Use the none lane.
5
0.9 mi into trip
|
~2m in
|
Sunrise Highway
Turn left onto Sunrise Highway
Lane positioning matters here
Use the left lane.
5
1.3 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 none / straight / slight right lanes.
6
28.4 mi into trip
|
~39m in
|
Mill Road
Turn left onto Mill Road
Lane positioning matters here
Use the left lane.
5
28.9 mi into trip
|
~41m in
|
Forest Road
Turn left onto Forest Road
Navigation decision point
Main Roads
| Road | Distance | Duration |
|---|---|---|
| Sunrise Highway | 27.3 mi | 36m |
| Commack Road | 0.5 mi | 1m |
| Nassau Avenue | 0.4 mi | 1m |
| Flower Road | 0.3 mi | 1m |
| Forest Road | 0.3 mi | 1m |
| Old Central Avenue | 0.1 mi | <1m |
| Mill Road | 0.1 mi | <1m |
| Main Street | <0.1 mi | <1m |
Longest stretch:
Sunrise Highway
— 27.3 mi, about 36m
Turn-by-Turn Driving Directions
Step-by-step road directions between Islip, NY and South Valley Stream, NY.
1
Start on NY 27A
72 ft
·
6 sec
·
Main Street
2
Turn right onto Nassau Avenue
0.3 mi
·
51 sec
·
Nassau Avenue
Use the none lane.
3
Continue on Nassau Avenue
461 ft
·
12 sec
·
Nassau Avenue
4
Continue on Commack Road
0.5 mi
·
1 min
·
Commack Road
5
Turn left onto Sunrise Highway
0.3 mi
·
29 sec
·
Sunrise Highway
Use the left lane.
6
Take the ramp
0.1 mi
·
17 sec
Toward NY 27 West: New York
7
Merge onto NY 27
27 mi
·
36 min
·
Sunrise Highway
Use the none / straight / slight right lanes.
8
Turn left onto Mill Road
0.1 mi
·
14 sec
·
Mill Road
Use the left lane.
9
Turn right onto Old Central Avenue
392 ft
·
18 sec
·
Old Central Avenue
10
Continue on Old Central Avenue
300 ft
·
13 sec
·
Old Central Avenue
11
Turn right onto Flower Road
0.3 mi
·
1 min
·
Flower Road
12
Turn left onto Forest Road
0.3 mi
·
1 min
·
Forest Road
13
Arrive at destination
Forest Road
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 14.6 miles from Islip, NY, or about 20m into the drive.
The longest continuous stretch on this route runs about 27.3 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 29.2 miles or 42m in
Use this first pause for coffee, a restroom break, and a quick traffic check ahead.
Halfway reset
Around 14.6 miles or 20m 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 South Valley Stream, NY than in the middle of the route.
Before You Leave
+
Open the route before leaving Islip, 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 Islip, NY
This is one driving day of about 29.2 miles and 42m.
Your first comfortable stop window is around 80 miles from Islip, 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 Sunrise Highway for about 27.3 miles.
Where to Stop
Rest stops, refuel points, and overnight suggestions along this route.
Halfway Point
Midpoint
About 14.6 mi from Islip, NY · 20m into the drive
Mid-route town
Meal stop
15 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 29.2 miles helps settle the day before fatigue starts building.
Meal break
The midpoint is around 14.6 miles from Islip, NY, which is a good place for a longer meal and fuel stop.
Arriving in South Valley Stream, NY
The final approach into South Valley Stream, 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 South Valley Stream, 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
$4.75 one way
$9.51 round trip
$4.14/gal
25.4 MPG avg
10 kg CO2
| Fuel Type | $/gal | One Way | Round Trip |
|---|---|---|---|
| midgrade | $4.48 | $5.15 | $10.30 |
| premium | $4.88 | $5.61 | $11.23 |
| diesel | $5.64 | $6.49 | $12.97 |
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: 10.2 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 | 8.8 | 0 | $3.07 | $1.40 |
| Efficient EV | 7.3 | 0 | $2.55 | $1.17 |
| EV Truck/SUV | 11.7 | 0 | $4.09 | $1.87 |
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
South Valley Stream, NY
Evening in South Valley Stream on Sunday
Local time
7:24 PM
EDT
Current temp
52°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 warmer 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 Islip, NY to South Valley Stream, NY covers 29.2 miles and takes about 42m without stops. Add 15-30 minutes for a fuel or rest stop on longer drives.
The main roads are Sunrise Highway, Commack Road, Nassau Avenue. Expect a mix of highway and local road driving.
This is a comfortable same-day trip.
The midpoint is about 14.6 miles from Islip, NY. Look for rest areas, gas stations, or food options near the halfway mark.
At current regular gas prices, expect to spend about $4.75 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 29.2 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: near the start (Nassau Avenue): Lane positioning matters here; at 0.9 miles (Sunrise Highway): Lane positioning matters here; at 1.3 miles (NY 27 / Sunrise Highway): Merge point - match speed before joining. Lane positioning matters here.
The route from Islip, NY to South Valley Stream, NY does not surface many named destination signs beyond the main corridor.
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