Compiled and reviewed by the US Trip Planner planning team at COD Solutions Oy · Last reviewed Apr 19, 2026 · Editorial standards
Drive Time
46m
Distance
31.6 mi
51 km
Drive Score
8/10
Great drive
Same Day?
Yes, doable
Fuel Cost
$5
one way
EV Charging
Good
8 stations
Estimated drive times based on typical traffic patterns. Actual times may vary with weather, construction, and real-time conditions.
Edison, NJ
Wikimedia Commons
Mendham, NJ
Dajana Blakcori
If you are planning a quick excursion from Edison to Mendham, you are looking at a straightforward 31.6-mile journey. Expect to spend about 46 minutes behind the wheel, making this an ideal day trip that requires no overnight stay. You will primarily navigate via I-287, supplemented by stretches on Mount Airy Road and Stelton Road. With a fuel budget of just $5, it is a very economical trip within the Northeast region. Since the entire drive stays within New Jersey, you can easily complete it in a single day without any planned stops. This route is perfect for those who prioritize efficiency and a simple, direct path between these two points.
| Road | Distance | Duration |
|---|---|---|
| I 287 | 20.6 mi | 23m |
| Mount Airy Road | 2.3 mi | 4m |
| Stelton Road | 2.2 mi | 4m |
| Mendham Road | 1.6 mi | 2m |
| Hilltop Road | 1.5 mi | 2m |
| Anderson Hill Road | 1 mi | 2m |
| Bernardsville Road | 0.9 mi | 1m |
| Plainfield Avenue | 0.8 mi | 1m |
Step-by-step road directions between Edison, NJ and Mendham, NJ.
Start on this road
Continue on Reed Street
Turn left onto Central Avenue
Turn left onto CR 529
Continue on CR 529
Take the ramp
Merge onto I 287
Keep slight right at fork onto I 287
Take the exit
Turn straight onto CR 525
Continue on CR 525
Continue on Anderson Hill Road
Continue on CR 525
Continue on CR 525
Continue on CR 525
Continue on CR 525
Keep slight left at fork onto CR 525
Turn right onto CR 510
Arrive at destination
Rest stops, refuel points, and overnight suggestions along this route.
Mid-route town
Meal stop
16 mi into the route
Best for: Lunch, fuel, and a longer reset
This sits close to the middle of the route, so it works well for the longest stop of the day.
A short stop after about 31.6 miles helps settle the day before fatigue starts building.
The midpoint is around 15.8 miles from Edison, NJ, which is a good place for a longer meal and fuel stop.
These stop ideas are pacing suggestions — the exact town or exit can change with traffic, hotel plans, and fuel range.
5 decision points cluster between mile 0.1 and 24.3 — GPS handles the exact turns, but know they're coming. Your lane choice matters more than the turn itself.
Turn left onto Central Avenue
Navigation decision point
Turn left onto CR 529 / Plainfield Avenue
Navigation decision point
Keep slight right at fork onto I 287 toward I 78 East: New York City
Highway fork - watch signs carefully. Lane positioning matters here
Take the exit toward CR 525 North: Mount Airy Road North, Bernardsville
Exit ramp - move to the correct lane early. Lane positioning matters here. Multiple destination signs - pick the right one
Turn straight onto CR 525 / Mount Airy Road
Lane positioning matters here
Regular Gas
$5.24 one way
$10.48 round trip
| Fuel Type | $/gal | One Way | Round Trip |
|---|---|---|---|
| midgrade | $4.61 | $5.74 | $11.48 |
| premium | $4.93 | $6.13 | $12.26 |
| diesel | $5.61 | $6.98 | $13.95 |
No toll roads detected on this route.
Drive Cost (one way)
Fuel
$5
Estimated CO2 emission: 11.1 kg one way. Prices: EIA weekly data, 2026-04-13.
Driving Electric?
About $3 in charging · 0 stops · 64% less CO2
| Vehicle Type | kWh | Stops | DC Fast | Home Charge |
|---|---|---|---|---|
| Average EV | 9.5 | 0 | $3.32 | $1.52 |
| Efficient EV | 7.9 | 0 | $2.77 | $1.26 |
| EV Truck/SUV | 12.6 | 0 | $4.42 | $2.02 |
Gas CO2
11 kg
EV CO2
4 kg (64% less)
This trip is well within single-charge range for most EVs. No charging stops needed if you start fully charged.
DC fast charging avg $0.35/kWh. Home charging avg $0.16/kWh. US grid CO2: 0.39 kg/kWh.
Current conditions at both ends of the drive.
Origin
Late night in Edison on Sunday
Local time
12:17 AM
EDT
Current temp
87°F
Mostly Sunny
Destination
Late night in Mendham on Sunday
Local time
12:17 AM
EDT
Current temp
44°F
Unavailable
44°F
Bedminster, NJ
16 mi in
Time zone
Origin and destination are on the same clock, so arrival timing is easier to judge at a glance.
Temperature spread
A meaningful temperature swing is a good cue to rethink layers, water, and how soon you want to arrive.
Road read
The weather snapshot is not static. If you are leaving later, give both cities one more quick forecast check before departure.
Weather data from the National Weather Service. Conditions may change; check closer to your travel date.
This drive is heavily highway-focused, with 65% of your time spent on high-speed roads. You will settle into a rhythm quickly, as the longest uninterrupted stretch covers 20.6 miles while traveling along I-287. The personality of the road shifts from the initial local connections on Stelton Road to the more sustained pace of the interstate. As you transition toward the final miles on Mount Airy Road, the character of the drive becomes more localized. Expect a functional, no-frills experience that prioritizes reaching your destination promptly rather than offering a winding, scenic tour.
This is a straightforward highway drive that stays mostly on I 287 and Mount Airy Road. This route has several spots where lane changes, forks, or exits need your full attention. The trickiest moment comes around 0.1 miles in near Central Avenue.
Focused - busy navigation packed into a short drive
Balances navigation complexity with total wheel time.
This is a short but busy drive. With 9 decision points packed into just 31.6 miles, you will need to pay attention to lane changes and exits — but the whole thing is over in 46m.
Where does it get tricky?
The main spots that need attention: at 0.1 miles (Central Avenue): Navigation decision point; at 0.2 miles (CR 529 / Plainfield Avenue): Navigation decision point; at 15.3 miles (I 287): Highway fork - watch signs carefully. Lane positioning matters here.
Based on OSRM destination-sign hints, not a full list of every settlement the road passes.
Between Edison, NJ and Mendham, NJ, road signs point toward Cr 525 North: Mount Airy Road North and Bernardsville.
Cr 525 North: Mount Airy Road North
Bernardsville
Weekend Trip
Doable as a same-day drive at 46m. Total distance: 31.6 miles.
Family Friendly
Moderate complexity with 0 natural rest stops along the way.
Solo Traveler
46m drive, comfortable solo distance.
EV Driver
0 DC fast chargers along the route. Coverage: unknown.
First-Time Driver
Mostly highway driving (65%). Some complex stretches to watch for.
Compiled by the US Trip Planner planning team at COD Solutions Oy from open government datasets — OSRM over OpenStreetMap for geometry, and EIA for fuel prices. See our methodology for refresh cadence and limitations.
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