How far is Monroe, NJ from Middletown, NJ?
The driving distance from Monroe, NJ to Middletown, NJ is about 45 miles (72.5 km), with a travel time of about 00h 54m by car.
- The straight-line flight distance is about 33.6 miles (54 km).
- For a round trip, plan for roughly 01h 48m of driving time before adding stops, traffic, or weather delays.
- A comfortable departure window is usually 8:00 AM to 10:00 AM EDT.
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.
This route works well as a day trip with time at the destination.
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 54m.
A morning start gives you useful time at the destination and keeps the return out of the late evening.
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.
City in Union County, New Jersey
Route Weather Snapshot
Check the forecast at both ends before you head out.
Mostly Sunny
Mostly Sunny
Driving Route Map
The map below follows the saved road route between Monroe and Middletown.
Turn-by-Turn Driving Directions
Step-by-step road directions between Monroe and Middletown.
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1
Start on Cedar Knolls Road
85 m · 8 sec · Cedar Knolls Road
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2
Continue on Park Avenue
1489 ft · 48 sec · Park Avenue
-
3
Turn right onto Whippany Road
1684 ft · 36 sec · Whippany Road
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4
Take the ramp left toward NJ 24 East: Madison
1937 ft · 1 min
-
5
Merge slight left
8.9 mi · 10 min
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6
Keep slight left to continue on I 78 East: Holland Tunnel, New York City, Newark
1877 ft · 29 sec
-
7
Keep slight right to continue on I 78 East Local: Newark
1220 ft · 17 sec
-
8
Merge slight right onto Phillipsburg-Newark Expressway
3.4 mi · 4 min · Phillipsburg-Newark Expressway
-
9
Take the exit slight right toward GSP: G.S. Parkway
1412 ft · 48 sec
-
10
Keep slight right to continue on GSP South
3153 ft · 2 min
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11
Merge slight left onto Garden State Parkway
10.6 mi · 14 min · Garden State Parkway
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12
Continue on Garden State Parkway Southbound
6.2 mi · 8 min · Garden State Parkway Southbound
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13
Keep slight left to continue on Garden State Parkway
1.2 km · 49 sec · Garden State Parkway
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14
Keep slight left to continue on Garden State Parkway
6.6 mi · 8 min · Garden State Parkway
-
15
Take the exit slight right toward NJ 35, NJ 36 South: Hazlet, Keyport
3026 ft · 1 min
-
16
Keep slight left
50 m · 4 sec
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17
Keep slight right to continue on NJ 35: Hazlet
969 ft · 28 sec
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18
Merge slight left
5.3 mi · 8 min
-
19
Turn right onto New Monmouth Road
1507 ft · 32 sec · New Monmouth Road
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20
At the end of the road, turn right onto Kings Highway
1023 ft · 21 sec · Kings Highway
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21
Arrive at your destination
0 m · 1 sec · Kings Highway
Car Route Details
A richer read on the saved driving route between Monroe and Middletown.
Highway-focused drive
Most of the mileage stays on named highways, so the important moments are ramps, exits, merges, and the final local approach.
Garden State Parkway
Merge slight left onto Garden State Parkway
10.6 mi · 00h 15m
Route Summary
A quick read on whether this route feels easy, ambitious, or worth planning around.
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.
Mostly Sunny leaving Monroe 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 Monroe to Middletown?
The road trip is about 45 miles (72.5 km) and usually takes 00h 54m 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?
Rahway is a useful midpoint, sitting about 22.7 miles from Monroe and 22.4 miles from Middletown.
How much longer is the road route than the straight-line distance?
The direct path is about 33.6 miles (54 km), while the road route adds roughly 11.4 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 4:42 PM EDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $6.83 one way or $13.66 round trip. Estimated CO2 is about 14.1 kg one way.
What should you check before leaving?
Before you leave, expect Mostly Sunny around Monroe and Mostly Sunny near Middletown.
Stop Ideas Near Rahway
Useful break, food, and waypoint ideas within about 15 miles of the route midpoint.
West Orange Town Hall
City of Elizabeth
Bloomfield Municipal Building
Transit and Meeting Points
Useful pickup, handoff, or rendezvous points close to Rahway.
Metropark station
Newark Liberty International Airport
Pennsylvania Station
New Brunswick station
Flight Path Map
This map shows the direct air route between Monroe and Middletown. Straight-line distance: 33.58 mi (54.04 km).
#1 Monroe
Township in Gloucester County, New Jersey
| Population | 44,884 |
| Coordinates | 40.8128800, -74.4423800 |
| Altitude | 82 |
| Country | United States |
#2 Middletown
Middletown is a place in New Jersey, United States.
| Population | 0 |
| Coordinates | 40.3942800, -74.1170900 |
| Altitude | 36 |
| Country | United States |
End: Kings Highway (-74.117093, 40.394098)
Estimated Travel Time
Distance: 72 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 01h 30m |
| 40 mph (64.37 km/h) | 01h 07m |
| 50 mph (80.47 km/h) | 00h 54m |
| 60 mph (96.56 km/h) | 00h 45m |
| 70 mph (112.65 km/h) | 00h 38m |
| 80 mph (129 km/h) | 00h 33m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $4.30 | $6.83 | $13.66 |
| Mid-grade | $4.88 | $7.76 | $15.52 |
| Premium | $5.18 | $8.23 | $16.46 |
| Diesel | $6.32 | $10.04 | $20.09 |
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 · Oct 15, 2026