How far is Bayonne, NJ from Mendham, NJ?
The driving distance from Bayonne, NJ to Mendham, NJ is about 33.6 miles (54 km), with a travel time of about 00h 46m by car.
- The straight-line flight distance is about 26.5 miles (42.7 km).
- For a round trip, plan for roughly 01h 33m 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 46m.
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, United States
Route Weather Snapshot
Check the forecast at both ends before you head out.
Mostly Sunny
Driving Route Map
The map below follows the saved road route between Bayonne and Mendham.
Turn-by-Turn Driving Directions
Step-by-step road directions between Bayonne and Mendham.
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1
Start on Broadway
63 m · 10 sec · Broadway
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2
Turn right onto East 30th Street
1658 ft · 57 sec · East 30th Street
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3
At the end of the road, turn left
1.2 mi · 2 min
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4
Take the exit straight toward I 78 Toll, NJTP: Newark, Holland Tunnel
1259 ft · 31 sec
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5
Merge slight left onto Port Jersey Boulevard
2225 ft · 27 sec · Port Jersey Boulevard
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6
Keep slight left to continue on I 78 West, NJTP West: Newark
3101 ft · 1 min
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7
Merge slight left onto New Jersey Turnpike Newark Bay Extension
3 mi · 3 min · New Jersey Turnpike Newark Bay Extension
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8
Keep slight right to continue on New Jersey Turnpike Newark Bay Extension
71 m · 3 sec · New Jersey Turnpike Newark Bay Extension
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9
Continue on Phillipsburg-Newark Expressway Tolls
115 m · 5 sec · Phillipsburg-Newark Expressway Tolls
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10
Keep slight right to continue on Phillipsburg-Newark Expressway
9.1 mi · 11 min · Phillipsburg-Newark Expressway
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11
Keep slight right to continue on NJ 24 West: Springfield, Morristown
1798 ft · 34 sec
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12
Continue straight
7.4 mi · 9 min
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13
Take the exit slight right toward CR 510: Florham Park, Morristown
1349 ft · 18 sec
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14
Keep slight left to continue on CR 510 West: Morristown
1458 ft · 19 sec
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15
Keep slight right to continue on CR 510 West: Morristown
1611 ft · 1 min
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16
Turn straight onto Columbia Turnpike
3012 ft · 55 sec · Columbia Turnpike
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17
Continue on Columbia Road
1.1 mi · 2 min · Columbia Road
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18
Turn left onto Lafayette Avenue
1.1 mi · 2 min · Lafayette Avenue
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19
Turn right onto Morris Street
673 ft · 19 sec · Morris Street
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20
Enter the roundabout and take exit 2 toward Morris Street
56 m · 3 sec · Morris Street
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21
Exit the roundabout onto Morris Street
535 ft · 11 sec · Morris Street
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22
Turn slight right onto East Park Place
69 m · 4 sec · East Park Place
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23
Keep slight left to continue on East Park Place
148 m · 11 sec · East Park Place
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24
Continue on North Park Place
36 m · 6 sec · North Park Place
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25
Turn right onto Washington Street
1.1 km · 2 min · Washington Street
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26
Continue on Mendham Avenue (Old Rt. 24)
1737 ft · 29 sec · Mendham Avenue (Old Rt. 24)
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27
Continue on Washington-Mendham Road E. (Old Rt. 24)
1.6 mi · 2 min · Washington-Mendham Road E. (Old Rt. 24)
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28
Continue on Mendham Road East
3.2 mi · 5 min · Mendham Road East
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29
Continue on Mendham Road (Old Rt. 24)
1.5 km · 1 min · Mendham Road (Old Rt. 24)
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30
Arrive at your destination
0 m · 1 sec · Mendham Road
Car Route Details
A richer read on the saved driving route between Bayonne and Mendham.
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.
Phillipsburg-Newark Expressway
Keep slight right to continue on Phillipsburg-Newark Expressway
9.14 mi · 00h 11m
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 near Mendham.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Bayonne to Mendham?
The road trip is about 33.6 miles (54 km) and usually takes 00h 46m 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?
Summit is a useful midpoint, sitting about 16.7 miles from Bayonne and 16.8 miles from Mendham.
How much longer is the road route than the straight-line distance?
The direct path is about 26.5 miles (42.7 km), while the road route adds roughly 7.1 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 4:56 PM EDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $4.82 one way or $9.64 round trip. Estimated CO2 is about 10.5 kg one way.
What should you check before leaving?
Before arriving, the latest forecast around Mendham is Mostly Sunny.
Stop Ideas Near Summit
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 Summit.
Newark Liberty International Airport
Pennsylvania Station
Metropark station
New Brunswick station
Flight Path Map
This map shows the direct air route between Bayonne and Mendham. Straight-line distance: 26.53 mi (42.69 km).
#1 Bayonne
The most populous city in Hudson County, New Jersey.
| Population | 65,165 |
| Coordinates | 40.6687100, -74.1143100 |
| Altitude | 12 |
| Country | United States |
#2 Mendham
Borough in Morris County, New Jersey
| Population | 4,836 |
| Coordinates | 40.7759300, -74.6007100 |
| Altitude | 187 |
| Country | United States |
End: Mendham (-74.60071, 40.77593)
Estimated Travel Time
Distance: 54 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 01h 07m |
| 40 mph (64.37 km/h) | 00h 50m |
| 50 mph (80.47 km/h) | 00h 40m |
| 60 mph (96.56 km/h) | 00h 33m |
| 70 mph (112.65 km/h) | 00h 28m |
| 80 mph (129 km/h) | 00h 25m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $4.09 | $4.82 | $9.64 |
| Mid-grade | $4.60 | $5.43 | $10.85 |
| Premium | $4.95 | $5.85 | $11.69 |
| Diesel | $5.98 | $7.06 | $14.11 |
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 23, 2026
Distance to Other Cities
Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.