How far is Middletown, NJ from Monroe, NJ?
The driving distance from Middletown, NJ to Monroe, NJ is about 45.2 miles (72.7 km), with a travel time of about 01h 02m by car.
- The straight-line flight distance is about 33.6 miles (54 km).
- For a round trip, plan for roughly 02h 04m 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 01h 02m.
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 Middletown and Monroe.
Turn-by-Turn Driving Directions
Step-by-step road directions between Middletown and Monroe.
-
1
Start on Kings Highway
1023 ft · 25 sec · Kings Highway
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2
Turn left onto New Monmouth Road
1507 ft · 32 sec · New Monmouth Road
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3
Turn left
5.2 mi · 8 min
-
4
Take the exit slight left toward GSP: Clark Street
2550 ft · 1 min
-
5
Keep slight right to continue on Local, All Exits
1071 ft · 14 sec
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6
Merge slight left onto Garden State Parkway
24.2 mi · 33 min · Garden State Parkway
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7
Take the exit slight right toward I 78 West: Springfield
1.3 km · 2 min
-
8
Merge slight left onto Phillipsburg-Newark Expressway
3.6 mi · 4 min · Phillipsburg-Newark Expressway
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9
Keep slight right to continue on NJ 24 West: Springfield, Morristown
1798 ft · 34 sec
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10
Continue straight
9.1 mi · 11 min
-
11
Take the exit slight right toward CR 511 North: Whippany
1248 ft · 30 sec
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12
Turn straight onto Whippany Road
1110 ft · 31 sec · Whippany Road
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13
Turn left onto Park Avenue
1768 ft · 49 sec · Park Avenue
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14
Arrive at your destination
0 m · 1 sec · Cedar Knolls Road
Car Route Details
A richer read on the saved driving route between Middletown and Monroe.
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
24.2 mi · 00h 33m
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 Middletown and Mostly Sunny near Monroe.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Middletown to Monroe?
The road trip is about 45.2 miles (72.7 km) and usually takes 01h 02m 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 22.6 miles from Middletown and 22.6 miles from Monroe.
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 11.6 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 8:00 AM to 10:00 AM EDT. If you want a more comfortable same-day return, try to leave by 4:26 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 Middletown and Mostly Sunny near Monroe.
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 Middletown and Monroe. Straight-line distance: 33.58 mi (54.04 km).
#1 Middletown
Middletown is a place in New Jersey, United States.
| Population | 0 |
| Coordinates | 40.3942800, -74.1170900 |
| Altitude | 36 |
| Country | United States |
#2 Monroe
Township in Gloucester County, New Jersey
| Population | 44,884 |
| Coordinates | 40.8128800, -74.4423800 |
| Altitude | 82 |
| Country | United States |
End: Monroe (-74.44238, 40.81288)
Estimated Travel Time
Distance: 73 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