How far is Sag Harbor, NY from Hempstead, NY?

The driving distance from Sag Harbor, NY to Hempstead, NY is about 79.3 miles (127.7 km), with a travel time of about 01h 55m by car.

  • The straight-line flight distance is about 72.2 miles (116.2 km).
  • For a round trip, plan for roughly 03h 50m of driving time before adding stops, traffic, or weather delays.
  • A comfortable departure window is usually 8:00 AM to 10:00 AM EDT.
Trip Tools

Reverse, save, or send this route

This route works well as a day trip with time at the destination. Copy the route link, send it to another device, or print a clean version before you head out.

Reverse Route
Quick Snapshot
Road
79.35 mi
01h 55m
Flight
72.18 mi
116.16 km direct

This route works well as a day trip with time at the destination.

Learn Distance

Choose another destination from Sag Harbor.

Flight Distance

Direct air line
72.18 mi
Kilometers
116.16 km
Flight Time
00h 08m

Driving Distance

Road route
79.35 mi
Kilometers
127.7 km
Drive Time
01h 55m

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 01h 55m.

Arrival Snapshot
Arrive in Hempstead
Sun, Apr 19, 1:58 AM EDT
Return by in Sag Harbor
Sun, Apr 19, 3:53 AM EDT
Useful when you're deciding between a quick errand, a day trip, or a longer stop.
Leave Sag Harbor
2026-04-19T00:03
Arrive Hempstead
Sun, Apr 19, 1:58 AM EDT
Route Timing
01h 55m
One way by road
Best Departure Window
8:00 AM to 10:00 AM EDT
Aim for a morning departure
Arrive between
9:55 AM to 11:55 AM EDT

A morning start gives you useful time at the destination and keeps the return out of the late evening.

Leave by
2:40 PM EDT
Keeps a same-day return open with about 03h 00m at the destination.
Back in Sag Harbor
9:30 PM EDT
Morning start is best

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.

Mid-route stop
Brookhaven
NY

This town in Suffolk County, New York, is the most populous in the state.

From Sag Harbor
39.6 mi
00h 57m
To Hempstead
39.8 mi
00h 57m

Route Weather Snapshot

Check the forecast at both ends before you head out.

Origin
55°F
Sunday

Rain Showers Likely

Starts
Sun, Apr 19 6:00 AM EDT
Wind
6 to 12 mph SW
Destination
62°F
Sunday

Rain Showers Likely

Starts
Sun, Apr 19 6:00 AM EDT
Wind
7 to 14 mph SW

Driving Route Map

The map below follows the saved road route between Sag Harbor and Hempstead.

Turn-by-Turn Driving Directions

Step-by-step road directions between Sag Harbor and Hempstead.

  1. 1

    Start on the route

    9 m · 1 sec

  2. 2

    Continue on Division Street

    1090 ft · 38 sec · Division Street

  3. 3

    Turn right onto Jermain Avenue

    637 ft · 31 sec · Jermain Avenue

  4. 4

    At the end of the road, turn right onto Madison Street

    24 m · 8 sec · Madison Street

  5. 5

    Turn left onto Jermain Avenue

    86 m · 12 sec · Jermain Avenue

  6. 6

    Continue on Jermain Avenue

    2346 ft · 2 min · Jermain Avenue

  7. 7

    Turn left onto Main Street

    1365 ft · 58 sec · Main Street

  8. 8

    Continue on Bridgehampton–Sag Harbor Turnpike

    1.5 mi · 3 min · Bridgehampton–Sag Harbor Turnpike

  9. 9

    Turn right onto Scuttle Hole Road

    2 mi · 4 min · Scuttle Hole Road

  10. 10

    Enter the roundabout and take exit 1 toward Scuttle Hole Road

    15 m · 1 sec · Scuttle Hole Road

  11. 11

    Exit the roundabout onto Scuttle Hole Road

    2.3 mi · 4 min · Scuttle Hole Road

  12. 12

    Merge slight left onto Montauk Highway

    2.2 mi · 4 min · Montauk Highway

  13. 13

    Take the exit slight right toward NY 27 West: New York

    113 m · 7 sec

  14. 14

    Merge slight left onto County Road 39A

    5.5 mi · 11 min · County Road 39A

  15. 15

    Continue on Sunrise Highway

    38.1 mi · 50 min · Sunrise Highway

  16. 16

    Turn slight right onto Sunrise Highway

    1.1 km · 1 min · Sunrise Highway

  17. 17

    Take the ramp slight right toward SO West: New York

    1609 ft · 39 sec

  18. 18

    Merge slight left onto Heckscher State Parkway

    6 mi · 7 min · Heckscher State Parkway

  19. 19

    Continue on Southern State Parkway

    694 ft · 9 sec · Southern State Parkway

  20. 20

    Keep slight left to continue on Southern State Parkway

    17.4 mi · 22 min · Southern State Parkway

  21. 21

    Take the exit slight right toward Nassau Road, Hempstead, Freeport

    760 ft · 26 sec

  22. 22

    Keep slight right to continue on Uniondale

    50 m · 6 sec

  23. 23

    Turn right onto Nassau Road

    1.2 km · 1 min · Nassau Road

  24. 24

    Continue on Greenwich Street

    3218 ft · 1 min · Greenwich Street

  25. 25

    Turn right onto Henry Street

    2468 ft · 57 sec · Henry Street

  26. 26

    Turn right onto Peninsula Boulevard

    20 m · 1 sec · Peninsula Boulevard

  27. 27

    Arrive at your destination

    0 m · 1 sec · Peninsula Boulevard

Car Route Details

A richer read on the saved driving route between Sag Harbor and Hempstead.

OSRM road route
Drive Character

Highway-focused drive

Most of the mileage stays on named highways, so the important moments are ramps, exits, merges, and the final local approach.

Directions
27 steps
12 turns on the saved route
Ramps & Exits
8
3 merges, 5 ramps or exits
Navigation Density
34 / 100 mi
Decision points by distance
Main Roads
Sunrise Highway
38.8 mi · 49%
Southern State Parkway
17.5 mi · 22%
Heckscher State Parkway
5.99 mi · 8%
County Road 39A
5.49 mi · 7%
Scuttle Hole Road
4.31 mi · 5%
Montauk Highway
2.15 mi · 3%
Longest Stretch

Sunrise Highway

Continue on Sunrise Highway

38.1 mi · 00h 50m

Route Summary

A quick read on whether this route feels easy, ambitious, or worth planning around.

Trip Read

A comfortable day-trip route

This route works well as a day trip. You can leave in the morning, spend meaningful time at the destination, and still return the same day.

Drive Time
01h 55m
Day trip friendly
Same-Day Return
03h 50m
Round-trip wheel time
Road vs Air
+7.1 mi
72.2 mi direct line
Halfway Stop
Brookhaven
00h 57m from Sag Harbor
Leave By
2:40 PM EDT
Morning start is best
Weather Watch

Rain Showers Likely leaving Sag Harbor and Rain Showers Likely near Hempstead.

Trip Questions

Direct answers travelers usually want before committing to the drive.

How long does it take to drive from Sag Harbor to Hempstead?

The road trip is about 79.3 miles (127.7 km) and usually takes 01h 55m in normal driving conditions.

Is this a same-day trip or an overnight route?

This route works well as a day trip. You can leave in the morning, spend meaningful time at the destination, and still return the same day.

What is the halfway point on this route?

Brookhaven is a useful midpoint, sitting about 39.6 miles from Sag Harbor and 39.8 miles from Hempstead.

How much longer is the road route than the straight-line distance?

The direct path is about 72.2 miles (116.2 km), while the road route adds roughly 7.1 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 8:00 AM to 10:00 AM EDT. If you want a more comfortable same-day return, try to leave by 2:40 PM EDT.

How much will gas cost for this route?

Using about 28.3 MPG, regular gas is estimated at $11.23 one way or $22.45 round trip. Estimated CO2 is about 24.9 kg one way.

What should you check before leaving?

Before you leave, expect Rain Showers Likely around Sag Harbor and Rain Showers Likely near Hempstead.

Stop Ideas Near Brookhaven

Useful break, food, and waypoint ideas within about 15 miles of the route midpoint.

Mid-route Guidance
Local place coverage is thin around Brookhaven, so nearby transit and meeting points are shown instead.
Reviewed stop coverage is still thin around this midpoint, so practical transit waypoints are shown on the right.

Transit and Meeting Points

Useful pickup, handoff, or rendezvous points close to Brookhaven.

RAIL

Bridgeport

50 mi away
525 Water St.
RAIL

Union Station

58 mi away
50 Union Avenue
RAIL

Stamford Transportation Center

60 mi away
Washington Blvd and South State St.
RAIL

Old Saybrook station

74 mi away
455 Boston Post Road

Flight Path Map

This map shows the direct air route between Sag Harbor and Hempstead. Straight-line distance: 72.18 mi (116.16 km).

Sag Harbor

#1 Sag Harbor

City in Suffolk County, New York, United States of America

Population2,292
Coordinates40.9978800, -72.2925800
Altitude8
CountryUnited States
Hempstead

#2 Hempstead

Located in Nassau County, New York, this hamlet and village is a major commercial and transportation hub.

Population764,055
Coordinates40.7062100, -73.6187400
Altitude17
CountryUnited States
Start: Sag Harbor (-72.29258, 40.99788)
End: Hempstead (-73.61874, 40.70621)

Estimated Travel Time

Distance: 128 km by road

SpeedTime
30 mph (48.3 km/h)02h 38m
40 mph (64.37 km/h)01h 59m
50 mph (80.47 km/h)01h 35m
60 mph (96.56 km/h)01h 19m
70 mph (112.65 km/h)01h 08m
80 mph (129 km/h)00h 59m

Fuel, Round Trip and CO2

Estimated fuel cost and emissions for this route.

One-way fuel
2.8 gal
10.6 L · about $11.23
Round trip
$22.45
5.6 gal · 21.2 L
Estimated CO2
24.9 kg one way
Round trip: 49.8 kg / 110 lb CO2, using regular gasoline.
Fuel$/galOne wayRound trip
Regular gas $4.01 $11.23 $22.45
Mid-grade $4.48 $12.55 $25.09
Premium $4.86 $13.61 $27.22
Diesel $4.69 $13.14 $26.29

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

There is no time difference between Sag Harbor and Hempstead. The current time is 00:03:09.

Distance to Other Cities

Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.

How did we calculate? Place names are translated into coordinates. The Haversine formula calculates straight-line distance; driving distance uses road network data.