How far is Hempstead, NY from Sayville, NY?
The driving distance from Hempstead, NY to Sayville, NY is about 30.8 miles (49.6 km), with a travel time of about 00h 43m by car.
- The straight-line flight distance is about 28.1 miles (45.3 km).
- For a round trip, plan for roughly 01h 27m of driving time before adding stops, traffic, or weather delays.
- A comfortable departure window is usually 7:00 AM to 7:00 PM EDT.
Reverse, save, or send this route
This is an easy same-day return drive. Copy the route link, send it to another device, or print a clean version before you head out.
This is an easy same-day return drive.
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 00h 43m.
This is a short drive, so your comfort window is wide. Traffic and current weather matter more than the clock.
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.
Census-designated place in Suffolk County, New York
Route Weather Snapshot
Check the forecast at both ends before you head out.
Rain Showers Likely
Rain Showers Likely
Driving Route Map
The map below follows the saved road route between Hempstead and Sayville.
Turn-by-Turn Driving Directions
Step-by-step road directions between Hempstead and Sayville.
-
1
Start on Peninsula Boulevard
566 ft · 12 sec · Peninsula Boulevard
-
2
Turn slight right onto Front Street
860 ft · 15 sec · Front Street
-
3
Turn slight right
34 m · 4 sec
-
4
Turn straight onto William Street
2138 ft · 1 min · William Street
-
5
At the end of the road, turn left onto Jerusalem Avenue
2 mi · 3 min · Jerusalem Avenue
-
6
Keep slight right to continue on Jerusalem Avenue
1 km · 1 min · Jerusalem Avenue
-
7
Turn slight right onto Merrick Avenue North
682 ft · 16 sec · Merrick Avenue North
-
8
Take the ramp slight right toward SO East: East Islip
676 ft · 17 sec
-
9
Merge slight left onto Southern State Parkway
15.2 mi · 18 min · Southern State Parkway
-
10
Keep slight left to continue on Southern State Parkway
1072 ft · 16 sec · Southern State Parkway
-
11
Take the exit slight right toward Bay Shore Road South, Bay Shore
1044 ft · 32 sec
-
12
Turn straight onto Bay Shore Road
2667 ft · 1 min · Bay Shore Road
-
13
Continue on Howells Road
1845 ft · 44 sec · Howells Road
-
14
Turn straight onto Sunrise Highway
104 m · 7 sec · Sunrise Highway
-
15
Keep slight left to continue on Sunrise Highway
1.2 km · 1 min · Sunrise Highway
-
16
Take the ramp slight left toward NY 27 East: Montauk
694 ft · 17 sec
-
17
Merge slight left onto Sunrise Highway
5.2 mi · 7 min · Sunrise Highway
-
18
Take the exit slight right toward NY 27A, CR 85: Montauk Highway, Oakdale, Great River
798 ft · 36 sec
-
19
Turn left onto Montauk Highway
3.4 mi · 5 min · Montauk Highway
-
20
Continue on West Main Street
1 mi · 2 min · West Main Street
-
21
Turn right onto Gillette Avenue
25 m · 4 sec · Gillette Avenue
-
22
Arrive at your destination
0 m · 1 sec · Gillette Avenue
Car Route Details
A richer read on the saved driving route between Hempstead and Sayville.
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.
Southern State Parkway
Merge slight left onto Southern State Parkway
15.2 mi · 00h 18m
Route Summary
A quick read on whether this route feels easy, ambitious, or worth planning around.
A short regional drive
This route is short enough to handle as a quick errand, commute, or easy same-day return without much planning overhead.
Rain Showers Likely leaving Hempstead and Rain Showers Likely near Sayville.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Hempstead to Sayville?
The road trip is about 30.8 miles (49.6 km) and usually takes 00h 43m in normal driving conditions.
Is this a same-day trip or an overnight route?
This route is short enough to handle as a quick errand, commute, or easy same-day return without much planning overhead.
What is the halfway point on this route?
West Babylon is a useful midpoint, sitting about 15.3 miles from Hempstead and 15.4 miles from Sayville.
How much longer is the road route than the straight-line distance?
The direct path is about 28.1 miles (45.3 km), while the road route adds roughly 2.7 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 7:00 AM to 7:00 PM EDT. If you want a more comfortable same-day return, try to leave by 7:02 PM EDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $4.37 one way or $8.74 round trip. Estimated CO2 is about 9.7 kg one way.
What should you check before leaving?
Before you leave, expect Rain Showers Likely around Hempstead and Rain Showers Likely near Sayville.
Stop Ideas Near West Babylon
Useful break, food, and waypoint ideas within about 15 miles of the route midpoint.
Town of Babylon History Museum at Old Town Hall
Babylon Town Hall Annex
Transit and Meeting Points
Useful pickup, handoff, or rendezvous points close to West Babylon.
Stamford Transportation Center
New Rochelle station
Yonkers station
Bridgeport
Flight Path Map
This map shows the direct air route between Hempstead and Sayville. Straight-line distance: 28.18 mi (45.35 km).
#1 Hempstead
Located in Nassau County, New York, this hamlet and village is a major commercial and transportation hub.
| Population | 764,055 |
| Coordinates | 40.7062100, -73.6187400 |
| Altitude | 17 |
| Country | United States |
#2 Sayville
Census-designated place in Suffolk County, New York
| Population | 16,853 |
| Coordinates | 40.7359300, -73.0820600 |
| Altitude | 6 |
| Country | United States |
End: Sayville (-73.08206, 40.73593)
Estimated Travel Time
Distance: 50 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 01h 01m |
| 40 mph (64.37 km/h) | 00h 46m |
| 50 mph (80.47 km/h) | 00h 36m |
| 60 mph (96.56 km/h) | 00h 30m |
| 70 mph (112.65 km/h) | 00h 26m |
| 80 mph (129 km/h) | 00h 23m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $4.01 | $4.37 | $8.74 |
| Mid-grade | $4.48 | $4.88 | $9.77 |
| Premium | $4.86 | $5.30 | $10.60 |
| Diesel | $4.69 | $5.12 | $10.23 |
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 19, 2026
Distance to Other Cities
Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.