How far is Grassy Sound, NJ from Middletown, NJ?

The driving distance from Grassy Sound, NJ to Middletown, NJ is about 24.8 miles (39.9 km), with a travel time of about 00h 31m by car.

  • The straight-line flight distance is about 18.2 miles (29.3 km).
  • For a round trip, plan for roughly 01h 02m of driving time before adding stops, traffic, or weather delays.
  • A comfortable departure window is usually 7:00 AM to 7:00 PM EDT.
Trip Tools

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.

Reverse Route
Quick Snapshot
Road
24.77 mi
00h 31m
Flight
18.23 mi
29.34 km direct

This is an easy same-day return drive.

Learn Distance

Choose another destination from Grassy Sound.

Flight Distance

Direct air line
18.23 mi
Kilometers
29.34 km
Flight Time
00h 02m

Driving Distance

Road route
24.77 mi
Kilometers
39.86 km
Drive Time
00h 31m

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 31m.

Arrival Snapshot
Arrive in Middletown
Wed, Apr 15, 6:23 AM EDT
Return by in Grassy Sound
Wed, Apr 15, 6:54 AM EDT
Useful when you're deciding between a quick errand, a day trip, or a longer stop.
Leave Grassy Sound
2026-04-15T05:52
Arrive Middletown
Wed, Apr 15, 6:23 AM EDT
Route Timing
00h 31m
One way by road
Best Departure Window
7:00 AM to 7:00 PM EDT
Leave when it suits your day
Arrive between
7:31 AM to 7:31 PM EDT

This is a short drive, so your comfort window is wide. Traffic and current weather matter more than the clock.

Leave by
7:28 PM EDT
Keeps a same-day return open with about 01h 30m at the destination.
Back in Grassy Sound
10:00 PM EDT
Flexible departure

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
Cedar Grove
NJ

Township in Essex County, New Jersey

From Grassy Sound
12.4 mi
00h 15m
To Middletown
12.4 mi
00h 15m

Route Weather Snapshot

Check the forecast at both ends before you head out.

Origin
73°F
Wednesday

Mostly Sunny

Starts
Wed, Apr 15 6:00 AM EDT
Wind
5 mph SW
Destination
80°F
Wednesday

Mostly Sunny

Starts
Wed, Apr 15 6:00 AM EDT
Wind
5 to 10 mph SW

Driving Route Map

The map below follows the saved road route between Grassy Sound and Middletown.

Turn-by-Turn Driving Directions

Step-by-step road directions between Grassy Sound and Middletown.

  1. 1

    Start on West 19th Avenue

    2611 ft · 2 min · West 19th Avenue

  2. 2

    Turn left onto New Jersey Avenue

    1.3 km · 1 min · New Jersey Avenue

  3. 3

    Continue on West Anglesea Drive

    1785 ft · 36 sec · West Anglesea Drive

  4. 4

    Continue on West Spruce Avenue

    2884 ft · 53 sec · West Spruce Avenue

  5. 5

    Continue on North Wildwood Boulevard

    3.1 mi · 5 min · North Wildwood Boulevard

  6. 6

    Turn slight right

    132 m · 16 sec

  7. 7

    Keep slight left to continue on GSP Toll North: Garden State Parkway

    1000 ft · 24 sec

  8. 8

    Merge slight left onto Garden State Parkway

    12.4 mi · 14 min · Garden State Parkway

  9. 9

    Take the exit slight left

    2408 ft · 32 sec

  10. 10

    Merge slight right onto Garden State Parkway

    2810 ft · 37 sec · Garden State Parkway

  11. 11

    Take the exit slight left toward 9, 50: Upper Township

    1431 ft · 35 sec · GSP NB Exit 20

  12. 12

    Continue straight

    5.5 mi · 9 min

  13. 13

    Turn right onto Washington Avenue

    17 m · 2 sec · Washington Avenue

  14. 14

    Arrive at your destination

    0 m · 1 sec · Washington Avenue

Car Route Details

A richer read on the saved driving route between Grassy Sound and Middletown.

OSRM road route
Drive Character

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.

Directions
14 steps
3 turns on the saved route
Ramps & Exits
4
2 merges, 2 ramps or exits
Navigation Density
56.5 / 100 mi
Decision points by distance
Main Roads
Garden State Parkway
13.3 mi · 54%
North Wildwood Boulevard
3.15 mi · 13%
GSP NB Exit 20
2.89 mi · 12%
9
2.89 mi · 12%
New Jersey Avenue
0.82 mi · 3%
West Spruce Avenue
0.55 mi · 2%
Longest Stretch

Garden State Parkway

Merge slight left onto Garden State Parkway

12.4 mi · 00h 14m

Route Summary

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

Trip Read

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.

Drive Time
00h 31m
Quick drive
Same-Day Return
01h 02m
Round-trip wheel time
Road vs Air
+6.6 mi
18.2 mi direct line
Halfway Stop
Cedar Grove
00h 15m from Grassy Sound
Leave By
7:28 PM EDT
Flexible departure
Weather Watch

Mostly Sunny leaving Grassy Sound and Mostly Sunny near Middletown.

Trip Questions

Direct answers travelers usually want before committing to the drive.

How long does it take to drive from Grassy Sound to Middletown?

The road trip is about 24.8 miles (39.9 km) and usually takes 00h 31m 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?

Cedar Grove is a useful midpoint, sitting about 12.4 miles from Grassy Sound and 12.4 miles from Middletown.

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

The direct path is about 18.2 miles (29.3 km), while the road route adds roughly 6.6 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 7:28 PM EDT.

How much will gas cost for this route?

Using about 28.3 MPG, regular gas is estimated at $3.55 one way or $7.11 round trip. Estimated CO2 is about 7.7 kg one way.

What should you check before leaving?

Before you leave, expect Mostly Sunny around Grassy Sound and Mostly Sunny near Middletown.

Stop Ideas Near Cedar Grove

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

Mid-route Guidance
Local place coverage is thin around Cedar Grove, 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 Cedar Grove.

OTHER

Atlantic City Rail Terminal

36 mi away
1 Atlantic City Expressway
OTHER

Absecon

37 mi away
Shore Road and Ohio Ave
OTHER

Egg Harbor City, New Jersey

42 mi away
South Philadelphia Ave & Atlantic Ave
OTHER

Hammonton, New Jersey

52 mi away
Egg Harbor Rd & Line St.

Flight Path Map

This map shows the direct air route between Grassy Sound and Middletown. Straight-line distance: 18.23 mi (29.34 km).

Photo coming soon

#1 Grassy Sound

Grassy Sound is a place in New Jersey, United States.

Population0
Coordinates39.0134500, -74.8160000
Altitude0
CountryUnited States
Middletown

#2 Middletown

Township in Monmouth County, New Jersey, United States

Population65,190
Coordinates39.2712300, -74.7435000
Altitude9
CountryUnited States
Start: West 19th Avenue (-74.812253, 39.003039)
End: Washington Avenue (-74.743576, 39.271289)

Estimated Travel Time

Distance: 40 km by road

SpeedTime
30 mph (48.3 km/h)00h 49m
40 mph (64.37 km/h)00h 37m
50 mph (80.47 km/h)00h 29m
60 mph (96.56 km/h)00h 24m
70 mph (112.65 km/h)00h 21m
80 mph (129 km/h)00h 18m

Fuel, Round Trip and CO2

Estimated fuel cost and emissions for this route.

One-way fuel
0.87 gal
3.31 L · about $3.55
Round trip
$7.11
1.74 gal · 6.62 L
Estimated CO2
7.7 kg one way
Round trip: 15.5 kg / 34 lb CO2, using regular gasoline.
Fuel$/galOne wayRound trip
Regular gas $4.09 $3.55 $7.11
Mid-grade $4.60 $4.00 $8.00
Premium $4.95 $4.31 $8.62
Diesel $5.98 $5.20 $10.41

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 Jersey · Apr 15, 2026

There is no time difference between Grassy Sound and Middletown. The current time is 05:52:02.

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.