How far is North Sea, NY from Islip, NY?

The driving distance from North Sea, NY to Islip, NY is about 47.8 miles (76.9 km), with a travel time of about 01h 08m by car.

  • The straight-line flight distance is about 43.9 miles (70.7 km).
  • For a round trip, plan for roughly 02h 16m 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
47.76 mi
01h 08m
Flight
43.92 mi
70.69 km direct

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

Learn Distance

Choose another destination from North Sea.

Flight Distance

Direct air line
43.92 mi
Kilometers
70.69 km
Flight Time
00h 05m

Driving Distance

Road route
47.76 mi
Kilometers
76.86 km
Drive Time
01h 08m

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 08m.

Arrival Snapshot
Arrive in Islip
Sat, Apr 18, 11:46 PM EDT
Return by in North Sea
Sun, Apr 19, 12:54 AM EDT
Useful when you're deciding between a quick errand, a day trip, or a longer stop.
Leave North Sea
2026-04-18T22:37
Arrive Islip
Sat, Apr 18, 11:46 PM EDT
Route Timing
01h 08m
One way by road
Best Departure Window
8:00 AM to 10:00 AM EDT
Aim for a morning departure
Arrive between
9:08 AM to 11:08 AM EDT

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

Leave by
4:14 PM EDT
Keeps a same-day return open with about 03h 00m at the destination.
Back in North Sea
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
Center Moriches
NY

Census-designated place in Suffolk County, New York

From North Sea
23.9 mi
00h 34m
To Islip
23.9 mi
00h 34m

Route Weather Snapshot

Check the forecast at both ends before you head out.

Origin
54°F
Saturday

Partly Sunny

Starts
Sat, Apr 18 6:00 AM EDT
Wind
8 mph E
Destination
60°F
Saturday

Partly Sunny

Starts
Sat, Apr 18 6:00 AM EDT
Wind
5 to 8 mph E

Driving Route Map

The map below follows the saved road route between North Sea and Islip.

Turn-by-Turn Driving Directions

Step-by-step road directions between North Sea and Islip.

  1. 1

    Start on Bay Avenue

    33 m · 7 sec · Bay Avenue

  2. 2

    Turn right onto Noyac Road

    1422 ft · 34 sec · Noyac Road

  3. 3

    At the end of the road, turn left onto North Sea Road

    1.5 mi · 3 min · North Sea Road

  4. 4

    Turn right onto Sandy Hollow Road

    1.5 km · 2 min · Sandy Hollow Road

  5. 5

    Merge slight left onto County Road 39

    3.3 mi · 7 min · County Road 39

  6. 6

    Continue on Sunrise Highway

    39.9 mi · 53 min · Sunrise Highway

  7. 7

    Take the exit slight right toward NY 111: Islip, Smithtown

    593 ft · 15 sec

  8. 8

    Turn straight onto Sunrise Highway

    3070 ft · 58 sec · Sunrise Highway

  9. 9

    Turn slight right onto NY 111 South: Islip

    713 ft · 35 sec

  10. 10

    Turn straight onto Islip Avenue

    1.4 km · 2 min · Islip Avenue

  11. 11

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

    865 ft · 15 sec · Main Street

  12. 12

    Arrive at your destination

    0 m · 1 sec · Main Street

Car Route Details

A richer read on the saved driving route between North Sea and Islip.

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
12 steps
7 turns on the saved route
Ramps & Exits
2
1 merges, 1 ramps or exits
Navigation Density
25.1 / 100 mi
Decision points by distance
Main Roads
Sunrise Highway
40.5 mi · 85%
County Road 39
3.32 mi · 7%
North Sea Road
1.47 mi · 3%
Sandy Hollow Road
0.91 mi · 2%
Islip Avenue
0.87 mi · 2%
Noyac Road
0.27 mi · 1%
Longest Stretch

Sunrise Highway

Continue on Sunrise Highway

39.9 mi · 00h 53m

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 08m
Day trip friendly
Same-Day Return
02h 16m
Round-trip wheel time
Road vs Air
+3.9 mi
43.9 mi direct line
Halfway Stop
Center Moriches
00h 34m from North Sea
Leave By
4:14 PM EDT
Morning start is best
Weather Watch

Partly Sunny leaving North Sea and Partly Sunny near Islip.

Trip Questions

Direct answers travelers usually want before committing to the drive.

How long does it take to drive from North Sea to Islip?

The road trip is about 47.8 miles (76.9 km) and usually takes 01h 08m 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?

Center Moriches is a useful midpoint, sitting about 23.9 miles from North Sea and 23.9 miles from Islip.

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

The direct path is about 43.9 miles (70.7 km), while the road route adds roughly 3.9 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 4:14 PM EDT.

How much will gas cost for this route?

Using about 28.3 MPG, regular gas is estimated at $6.78 one way or $13.55 round trip. Estimated CO2 is about 15 kg one way.

What should you check before leaving?

Before you leave, expect Partly Sunny around North Sea and Partly Sunny near Islip.

Stop Ideas Near Center Moriches

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

Mid-route Guidance
Local place coverage is thin around Center Moriches, 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 Center Moriches.

RAIL

Bridgeport

54 mi away
525 Water St.
RAIL

Union Station

57 mi away
50 Union Avenue
RAIL

Old Saybrook station

66 mi away
455 Boston Post Road
RAIL

Stamford Transportation Center

69 mi away
Washington Blvd and South State St.

Flight Path Map

This map shows the direct air route between North Sea and Islip. Straight-line distance: 43.92 mi (70.69 km).

North Sea

#1 North Sea

Census-designated place in Suffolk County, New York

Population4,458
Coordinates40.9328800, -72.4142500
Altitude5
CountryUnited States
Islip

#2 Islip

This Long Island community is situated on the south shore of Suffolk County, New York, at an elevation of 13 feet.

Population322,328
Coordinates40.7298200, -73.2103900
Altitude4
CountryUnited States
Start: North Sea (-72.41425, 40.93288)
End: Islip (-73.21039, 40.72982)

Estimated Travel Time

Distance: 77 km by road

SpeedTime
30 mph (48.3 km/h)01h 35m
40 mph (64.37 km/h)01h 11m
50 mph (80.47 km/h)00h 57m
60 mph (96.56 km/h)00h 47m
70 mph (112.65 km/h)00h 40m
80 mph (129 km/h)00h 35m

Fuel, Round Trip and CO2

Estimated fuel cost and emissions for this route.

One-way fuel
1.69 gal
6.38 L · about $6.78
Round trip
$13.55
3.38 gal · 12.76 L
Estimated CO2
15 kg one way
Round trip: 30 kg / 66 lb CO2, using regular gasoline.
Fuel$/galOne wayRound trip
Regular gas $4.01 $6.78 $13.55
Mid-grade $4.48 $7.57 $15.15
Premium $4.86 $8.22 $16.43
Diesel $4.69 $7.93 $15.87

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 North Sea and Islip. The current time is 22:37:54.

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.