How far is Mercerville, NJ from Middletown, NJ?
The driving distance from Mercerville, NJ to Middletown, NJ is about 53.6 miles (86.2 km), with a travel time of about 01h 00m by car.
- The straight-line flight distance is about 31.9 miles (51.3 km).
- For a round trip, plan for roughly 02h 00m of driving time before adding stops, traffic, or weather delays.
- A comfortable departure window is usually 8:00 AM to 10:00 AM EST.
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 00m.
A morning start gives you useful time at the destination and keeps the return out of the late evening.
This departure sits inside the recommended comfort window for the route.
Halfway Point
A useful midpoint for breaks, coffee, or meeting in the middle.
Borough of New Jersey
Route Weather Snapshot
Check the forecast at both ends before you head out.
Partly Cloudy
Mostly Clear
Driving Route Map
The map below follows the saved road route between Mercerville and Middletown.
Turn-by-Turn Driving Directions
Step-by-step road directions between Mercerville and Middletown.
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1
Start on Edinburg Road
1.9 mi · 4 min · Edinburg Road
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2
Continue on Old Trenton Road
8.5 mi · 15 min · Old Trenton Road
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3
At the end of the road, turn left
1.2 mi · 2 min
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4
Turn slight right onto South River Road
1.9 mi · 3 min · South River Road
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5
Continue on Cranbury-South River Road
2797 ft · 60 sec · Cranbury-South River Road
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6
Turn right onto Forsgate Drive
2.6 mi · 4 min · Forsgate Drive
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7
Turn right onto Buckelew Avenue
96 m · 10 sec · Buckelew Avenue
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8
Turn left onto Pergola Avenue
1.6 mi · 2 min · Pergola Avenue
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9
Continue on Matchaponix Avenue
1.9 mi · 3 min · Matchaponix Avenue
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10
Continue on Texas Road
3 mi · 5 min · Texas Road
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11
Turn right onto Marlboro Road
1.9 mi · 3 min · Marlboro Road
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12
Turn left onto Tennent Road
3.6 mi · 6 min · Tennent Road
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13
Continue straight
1.2 mi · 2 min
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14
Continue on Main Street
1.5 mi · 2 min · Main Street
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15
Continue on Lower Main Street
1.2 km · 1 min · Lower Main Street
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16
Continue on Maple Place
1044 ft · 20 sec · Maple Place
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17
Take the ramp straight
60 m · 5 sec
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18
Merge slight left
5.8 mi · 9 min
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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 Mercerville and Middletown.
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.
Old Trenton Road
Continue on Old Trenton Road
8.52 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.
Partly Cloudy leaving Mercerville and Mostly Clear near Middletown.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Mercerville to Middletown?
The road trip is about 53.6 miles (86.2 km) and usually takes 01h 00m 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?
Helmetta is a useful midpoint, sitting about 19.3 miles from Mercerville and 34.2 miles from Middletown.
How much longer is the road route than the straight-line distance?
The direct path is about 31.9 miles (51.3 km), while the road route adds roughly 21.7 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 EST. If you want a more comfortable same-day return, try to leave by 4:30 PM EST.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $7.71 one way or $15.41 round trip. Estimated CO2 is about 16.8 kg one way.
What should you check before leaving?
Before you leave, expect Partly Cloudy around Mercerville and Mostly Clear near Middletown.
Stop Ideas Near Helmetta
Useful break, food, and waypoint ideas within about 15 miles of the route midpoint.
Transit and Meeting Points
Useful pickup, handoff, or rendezvous points close to Helmetta.
New Brunswick station
Princeton Junction station
Metropark station
Trenton Transit Center
Flight Path Map
This map shows the direct air route between Mercerville and Middletown. Straight-line distance: 31.91 mi (51.35 km).
#1 Mercerville
Mercerville is a place in New Jersey, United States.
| Population | 0 |
| Coordinates | 40.2370500, -74.6865500 |
| Altitude | 27 |
| 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: 86 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 01h 47m |
| 40 mph (64.37 km/h) | 01h 20m |
| 50 mph (80.47 km/h) | 01h 04m |
| 60 mph (96.56 km/h) | 00h 53m |
| 70 mph (112.65 km/h) | 00h 45m |
| 80 mph (129 km/h) | 00h 40m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $4.08 | $7.71 | $15.41 |
| Mid-grade | $4.71 | $8.90 | $17.80 |
| Premium | $5.02 | $9.49 | $18.99 |
| Diesel | $6.31 | $11.93 | $23.87 |
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 Jersey · Nov 07, 2026