How far is Mountainside, NJ from Somerset, NJ?
The driving distance from Mountainside, NJ to Somerset, NJ is about 22.5 miles (36.2 km), with a travel time of about 00h 35m by car.
- The straight-line flight distance is about 13.9 miles (22.4 km).
- For a round trip, plan for roughly 01h 11m 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 35m.
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.
Partly Sunny
Mostly Cloudy then Slight Chance Rain Showers
Driving Route Map
The map below follows the saved road route between Mountainside and Somerset.
Turn-by-Turn Driving Directions
Step-by-step road directions between Mountainside and Somerset.
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1
Start on the route
123 m · 30 sec
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2
Turn right
75 m · 19 sec
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3
Turn left
123 m · 35 sec
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4
Turn left onto New Providence Road
129 m · 13 sec · New Providence Road
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5
Turn right
7.1 mi · 11 min
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6
Take the exit slight right
87 m · 8 sec
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7
Keep slight left
48 m · 5 sec
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8
Turn left onto Rock Avenue
1 mi · 3 min · Rock Avenue
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9
Turn right onto West Front Street
1683 ft · 34 sec · West Front Street
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10
Continue on North Avenue
1644 ft · 40 sec · North Avenue
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11
Turn left onto South Washington Avenue
546 ft · 21 sec · South Washington Avenue
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12
Turn right onto New Market Road
1 mi · 3 min · New Market Road
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13
Continue on Lakeview Avenue
107 m · 12 sec · Lakeview Avenue
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14
Turn right onto Stelton Road
1.1 km · 1 min · Stelton Road
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15
Turn right onto Old New Brunswick Road
1.7 mi · 3 min · Old New Brunswick Road
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16
Continue on Hoes Lane
3.2 mi · 4 min · Hoes Lane
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17
Take the exit slight right toward River Road, Piscataway, Highland Park
819 ft · 20 sec
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18
Turn right onto River Road
788 ft · 24 sec · River Road
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19
Turn left onto Landing Lane
1680 ft · 48 sec · Landing Lane
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20
Continue on Landing Lane
1485 ft · 27 sec · Landing Lane
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21
Continue on Franklin Boulevard
1.3 km · 2 min · Franklin Boulevard
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22
Turn right onto Belmar Street
2231 ft · 2 min · Belmar Street
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23
At the end of the road, turn left onto Abbott Road
966 ft · 47 sec · Abbott Road
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24
Turn left onto West Point Avenue
717 ft · 32 sec · West Point Avenue
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25
Arrive at your destination
0 m · 1 sec · West Point Avenue
Car Route Details
A richer read on the saved driving route between Mountainside and Somerset.
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
7.13 mi · 00h 11m
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.
Partly Sunny leaving Mountainside and Mostly Cloudy then Slight Chance Rain Showers near Somerset.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Mountainside to Somerset?
The road trip is about 22.5 miles (36.2 km) and usually takes 00h 35m 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 9.2 miles from Mountainside and 13.3 miles from Somerset.
How much longer is the road route than the straight-line distance?
The direct path is about 13.9 miles (22.4 km), while the road route adds roughly 8.6 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 7:00 AM to 7:00 PM EDT. If you want a more comfortable same-day return, try to leave by 7:18 PM EDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $3.54 one way or $7.08 round trip. Estimated CO2 is about 7.1 kg one way.
What should you check before leaving?
Before you leave, expect Partly Sunny around Mountainside and Mostly Cloudy then Slight Chance Rain Showers near Somerset.
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 Mountainside and Somerset. Straight-line distance: 13.89 mi (22.36 km).
#1 Mountainside
Town
| Population | 6,876 |
| Coordinates | 40.6723200, -74.3573700 |
| Altitude | 46 |
| Country | United States |
#2 Somerset
This large community in Somerset County, New Jersey, is situated at an elevation of 92 feet.
| Population | 965,424 |
| Coordinates | 40.4976000, -74.4884900 |
| Altitude | 28 |
| Country | United States |
End: West Point Avenue (-74.488027, 40.497322)
Estimated Travel Time
Distance: 36 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 00h 45m |
| 40 mph (64.37 km/h) | 00h 33m |
| 50 mph (80.47 km/h) | 00h 27m |
| 60 mph (96.56 km/h) | 00h 22m |
| 70 mph (112.65 km/h) | 00h 19m |
| 80 mph (129 km/h) | 00h 16m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $4.43 | $3.54 | $7.08 |
| Mid-grade | $4.97 | $3.98 | $7.95 |
| Premium | $5.27 | $4.21 | $8.43 |
| Diesel | $6.46 | $5.17 | $10.33 |
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 · Sep 21, 2026