How far is Edison, NJ from Mountainside, NJ?
The driving distance from Edison, NJ to Mountainside, NJ is about 15.5 miles (24.9 km), with a travel time of about 00h 30m by car.
- The straight-line flight distance is about 11 miles (17.7 km).
- For a round trip, plan for roughly 01h 01m of driving time before adding stops, traffic, or weather delays.
- A comfortable departure window is usually 7:00 AM to 7:00 PM EDT.
Reverse, save, or send this route
This is an easy same-day return drive. Copy the route link, send it to another device, or print a clean version before you head out.
This is an easy same-day return drive.
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 30m.
This is a short drive, so your comfort window is wide. Traffic and current weather matter more than the clock.
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.
Borough in Middlesex County, New Jersey
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 Edison and Mountainside.
Turn-by-Turn Driving Directions
Step-by-step road directions between Edison and Mountainside.
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1
Start on the route
53 m · 13 sec
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2
Continue on Reed Street
106 m · 20 sec · Reed Street
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3
Turn left onto Central Avenue
105 m · 23 sec · Central Avenue
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4
Turn left onto Plainfield Avenue
1.4 km · 2 min · Plainfield Avenue
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5
Continue on Stelton Road
3 mi · 6 min · Stelton Road
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6
Turn straight onto Henry Street
94 m · 6 sec · Henry Street
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7
Continue on Washington Avenue
1.3 mi · 3 min · Washington Avenue
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8
Turn right onto West 7th Street
1.3 km · 2 min · West 7th Street
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9
Turn left onto Rock Avenue
1.7 mi · 4 min · Rock Avenue
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10
Turn right
5.7 mi · 9 min
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11
Continue straight
1.4 mi · 2 min
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12
Take the exit slight right
127 m · 17 sec
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13
Turn left onto New Providence Road
802 ft · 26 sec · New Providence Road
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14
Turn right onto Birch Hill Road
93 m · 16 sec · Birch Hill Road
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15
Turn right onto Watchung Avenue
56 m · 9 sec · Watchung Avenue
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16
Turn left
532 ft · 39 sec
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17
Arrive at your destination
0 m · 1 sec
Car Route Details
A richer read on the saved driving route between Edison and Mountainside.
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.
Longest stretch
Turn right
5.74 mi · 00h 09m
Route Summary
A quick read on whether this route feels easy, ambitious, or worth planning around.
A short regional drive
This route is short enough to handle as a quick errand, commute, or easy same-day return without much planning overhead.
Mostly Sunny near Edison.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Edison to Mountainside?
The road trip is about 15.5 miles (24.9 km) and usually takes 00h 30m in normal driving conditions.
Is this a same-day trip or an overnight route?
This route is short enough to handle as a quick errand, commute, or easy same-day return without much planning overhead.
What is the halfway point on this route?
Dunellen is a useful midpoint, sitting about 7.8 miles from Edison and 7.8 miles from Mountainside.
How much longer is the road route than the straight-line distance?
The direct path is about 11 miles (17.7 km), while the road route adds roughly 4.5 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 7:00 AM to 7:00 PM EDT. If you want a more comfortable same-day return, try to leave by 7:28 PM EDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $2.25 one way or $4.49 round trip. Estimated CO2 is about 4.9 kg one way.
What should you check before leaving?
Before leaving, the latest forecast around Edison is Mostly Sunny.
Stop Ideas Near Dunellen
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 Dunellen.
New Brunswick station
Metropark station
Newark Liberty International Airport
Pennsylvania Station
Flight Path Map
This map shows the direct air route between Edison and Mountainside. Straight-line distance: 10.99 mi (17.69 km).
#1 Edison
Township in Middlesex County, New Jersey, United States
| Population | 98,721 |
| Coordinates | 40.5187200, -74.4121000 |
| Altitude | 27 |
| Country | United States |
#2 Mountainside
Town
| Population | 6,876 |
| Coordinates | 40.6723200, -74.3573700 |
| Altitude | 46 |
| Country | United States |
End: Mountainside (-74.35737, 40.67232)
Estimated Travel Time
Distance: 25 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 00h 30m |
| 40 mph (64.37 km/h) | 00h 23m |
| 50 mph (80.47 km/h) | 00h 18m |
| 60 mph (96.56 km/h) | 00h 15m |
| 70 mph (112.65 km/h) | 00h 13m |
| 80 mph (129 km/h) | 00h 11m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $4.09 | $2.25 | $4.49 |
| Mid-grade | $4.60 | $2.53 | $5.06 |
| Premium | $4.95 | $2.72 | $5.45 |
| Diesel | $5.98 | $3.29 | $6.58 |
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.