Compiled and reviewed by the US Trip Planner planning team at COD Solutions Oy · Last reviewed Apr 26, 2026 · Editorial standards
Drive Time
43m
Distance
28 mi
45 km
Drive Score
8/10
Great drive
Same Day?
Yes, doable
Fuel Cost
$5
one way
EV Charging
Good
8 stations
Estimated drive times based on typical traffic patterns. Actual times may vary with weather, construction, and real-time conditions.
Greenlawn, NY
Wikimedia Commons
Brookhaven, NY
Wikimedia Commons
Greenlawn to Brookhaven is 28 miles and takes about 43 minutes via Long Island Expressway, with a fuel budget near $5 and enough daylight to finish in a day. This short trip stays within New York, making it a convenient local hop. The route primarily uses the Long Island Expressway, offering a straightforward path between these two Long Island communities. Given its brief duration, this drive is ideal for a quick errand, a visit to a friend, or as a segment of a larger regional exploration. You'll find it's a practical way to cover ground without a significant time commitment.
| Road | Distance | Duration |
|---|---|---|
| Long Island Expressway | 10.1 mi | 13m |
| Veterans Memorial Highway | 5.7 mi | 8m |
| Horseblock Road | 4.1 mi | 6m |
| Jericho Turnpike | 2.3 mi | 4m |
| Cuba Hill Road | 2 mi | 3m |
| Montauk Highway | 0.9 mi | 1m |
| Express Drive South | 0.6 mi | 1m |
| Elwood Road | 0.6 mi | 1m |
Step-by-step road directions between Greenlawn, NY and Brookhaven, NY.
Start on Smith Street
Turn right onto CR 86
Turn left onto CR 9
Turn right onto CR 10
Turn left onto NY 25
Keep slight right at fork onto Veterans Memorial Highway
Continue on NY 454
Continue on NY 347; NY 454
Keep slight right at fork onto NY 454
Turn left onto Express Drive South
Take the ramp
Merge onto I 495
Take the exit
Turn straight onto Express Drive South
Turn slight right onto CR 16
At end of road, turn right onto CR 80
Turn left onto CR 36
Arrive at destination
5 decision points cluster between mile 3.1 and 26.8 — GPS handles the exact turns, but know they're coming. Your lane choice matters more than the turn itself.
Turn left onto NY 25 / Jericho Turnpike
Lane positioning matters here
Keep slight right at fork onto NY 454 / Veterans Memorial Highway toward Patchogue
Highway fork - watch signs carefully
Turn left onto Express Drive South
Lane positioning matters here
Take the exit toward CR 16: Horse Block Road, Centereach, Shirley
Exit ramp - move to the correct lane early. Lane positioning matters here. Multiple destination signs - pick the right one
At end of road, turn right onto CR 80 / Montauk Highway
Lane positioning matters here
Regular Gas
$4.55 one way
$9.10 round trip
| Fuel Type | $/gal | One Way | Round Trip |
|---|---|---|---|
| midgrade | $4.47 | $4.93 | $9.85 |
| premium | $4.87 | $5.36 | $10.73 |
| diesel | $5.40 | $5.96 | $11.91 |
Estimated Tolls: $0.16
Toll estimates based on average 2024-2025 rates. EZ-Pass/SunPass discounts may lower the actual cost.
Drive Cost (one way)
Fuel
$5
Tolls
$0
Total
$5
Estimated CO2 emission: 9.8 kg one way. Prices: EIA weekly data, 2026-04-20.
Driving Electric?
About $3 in charging · 0 stops · 70% less CO2
| Vehicle Type | kWh | Stops | DC Fast | Home Charge |
|---|---|---|---|---|
| Average EV | 8.4 | 0 | $2.94 | $1.34 |
| Efficient EV | 7 | 0 | $2.45 | $1.12 |
| EV Truck/SUV | 11.2 | 0 | $3.92 | $1.79 |
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.
Current conditions at both ends of the drive.
Origin
Late night in Greenlawn on Sunday
Local time
3:49 AM
EDT
Current temp
64°F
Partly Sunny
Flood Warning
Flood Warning issued April 24 at 11:36AM EDT by NWS Binghamton NY
Destination
Late night in Brookhaven on Sunday
Local time
3:49 AM
EDT
Current temp
60°F
Sunny
Flood Warning
Flood Warning issued April 24 at 11:36AM EDT by NWS Binghamton NY
Time zone
Origin and destination are on the same clock, so arrival timing is easier to judge at a glance.
Temperature spread
A meaningful temperature swing is a good cue to rethink layers, water, and how soon you want to arrive.
Road read
The weather snapshot is not static. If you are leaving later, give both cities one more quick forecast check before departure.
Weather data from the National Weather Service. Conditions may change; check closer to your travel date.
This drive features a 44% highway share, meaning you'll spend a good portion on the Long Island Expressway before transitioning to surface roads. The longest continuous stretch on the highway is 10.1 miles, so expect to encounter more varied traffic patterns and exits as you move off the expressway. The profile is mixed highway and surface, indicating a blend of faster-paced driving and local road conditions. You’ll likely notice the shift in speed and surroundings as you leave the expressway environment.
This route mixes highway mileage with some local-road sections near the start or finish. This route has several spots where lane changes, forks, or exits need your full attention. The trickiest moment comes around 3.1 miles in near NY 25 / Jericho Turnpike.
Focused - busy navigation packed into a short drive
Balances navigation complexity with total wheel time.
This is a short but busy drive. With 14 decision points packed into just 28 miles, you will need to pay attention to lane changes and exits — but the whole thing is over in 43m.
Where does it get tricky?
The main spots that need attention: at 3.1 miles (NY 25 / Jericho Turnpike): Lane positioning matters here; at 9.7 miles (NY 454 / Veterans Memorial Highway): Highway fork - watch signs carefully; at 11.6 miles (Express Drive South): Lane positioning matters here.
Based on OSRM destination-sign hints, not a full list of every settlement the road passes.
Between Greenlawn, NY and Brookhaven, NY, road signs point toward Patchogue, Centereach, Shirley, Cr 101: Yaphank and Riverhead.
Patchogue
Centereach
Shirley
Cr 101: Yaphank
Riverhead
Founded 1655
Brookhaven is the largest town in Suffolk County, part of Long Island, New York. With 485,000 residents (2020). It includes a patchwork of villages and other communities, and is the only town on the island to touch both the Long Island Sound and Atlantic Ocean. The villages of Belle Terre, Bellport, Lake Grove, Mastic Beach, Old Field, Patchogue, Poquott, Port Jefferson, and Shoreham are semi-autonomous, and provide their own services in addition to those provided by the town. Other prominent communities include Mount Sinai, Stony Brook, and Fire Island, a long and car-free resort island off the south coast of the town.
Top landmarks
City content from Wikivoyage (CC BY-SA 4.0) and Wikidata (CC0).
Weekend Trip
Doable as a same-day drive at 43m. Total distance: 28 miles.
Family Friendly
Moderate complexity with 0 natural rest stops along the way.
Solo Traveler
43m drive, comfortable solo distance.
EV Driver
0 DC fast chargers along the route. Coverage: unknown.
First-Time Driver
Mostly highway driving (44%). Some complex stretches to watch for.
Scenic Drive
Mixed highway & surface route profile with national parks nearby.
Compiled by the US Trip Planner 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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