How far is Hamilton, NJ from Mountainside, NJ?

The driving distance from Hamilton, NJ to Mountainside, NJ is about 40.8 miles (65.7 km), with a travel time of about 01h 00m by car.

  • The straight-line flight distance is about 35.3 miles (56.8 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 EDT.
Trip Tools

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.

Reverse Route
Quick Snapshot
Road
40.82 mi
01h 00m
Flight
35.28 mi
56.77 km direct

This route works well as a day trip with time at the destination.

Learn Distance

Choose another destination from Hamilton.

Flight Distance

Direct air line
35.28 mi
Kilometers
56.77 km
Flight Time
00h 04m

Driving Distance

Road route
40.82 mi
Kilometers
65.7 km
Drive Time
01h 00m

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.

Arrival Snapshot
Arrive in Mountainside
Wed, May 6, 10:35 PM EDT
Return by in Hamilton
Wed, May 6, 11:36 PM EDT
Useful when you're deciding between a quick errand, a day trip, or a longer stop.
Leave Hamilton
2026-05-06T21:35
Arrive Mountainside
Wed, May 6, 10:35 PM EDT
Route Timing
01h 00m
One way by road
Best Departure Window
8:00 AM to 10:00 AM EDT
Aim for a morning departure
Arrive between
9:00 AM to 11:00 AM EDT

A morning start gives you useful time at the destination and keeps the return out of the late evening.

Leave by
4:30 PM EDT
Keeps a same-day return open with about 03h 00m at the destination.
Back in Hamilton
9:30 PM EDT
Morning start is best

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.

Mid-route stop
Morristown
NJ

Town in Morris County, New Jersey, USA

From Hamilton
20.4 mi
00h 30m
To Mountainside
20.4 mi
00h 30m

Route Weather Snapshot

Check the forecast at both ends before you head out.

Origin
73°F
Wednesday

Chance Rain Showers

Starts
Wed, May 6 6:00 AM EDT
Wind
10 to 15 mph S
Destination
Mountainside Weather
NJ
Live fallback forecast
71°F
Wednesday
Using Linden as the closest live forecast in the Union County weather hub.

Rain Showers

Starts
Wed, May 6 6:00 AM EDT
Wind
10 to 15 mph SW

Driving Route Map

The map below follows the saved road route between Hamilton and Mountainside.

Turn-by-Turn Driving Directions

Step-by-step road directions between Hamilton and Mountainside.

  1. 1

    Start on Gully Road

    47 m · 5 sec · Gully Road

  2. 2

    Turn left onto Old Corlies Avenue

    1136 ft · 34 sec · Old Corlies Avenue

  3. 3

    Turn left

    3185 ft · 1 min

  4. 4

    Take the exit slight right toward GSP Toll North

    1260 ft · 27 sec

  5. 5

    Merge slight left onto Garden State Parkway

    2.4 mi · 3 min · Garden State Parkway

  6. 6

    Keep slight left

    2399 ft · 31 sec

  7. 7

    Continue on Garden State Parkway

    31.8 mi · 40 min · Garden State Parkway

  8. 8

    Take the exit slight right toward Clark, Westfield

    781 ft · 12 sec

  9. 9

    Keep slight left to continue on Westfield, Brant Avenue, Rahway

    596 ft · 16 sec

  10. 10

    Turn left onto Central Avenue

    2.9 mi · 8 min · Central Avenue

  11. 11

    At the end of the road, turn right onto East Broad Street

    59 m · 10 sec · East Broad Street

  12. 12

    Turn left onto Mountain Avenue East

    1.1 mi · 3 min · Mountain Avenue East

  13. 13

    Turn left onto New Providence Road

    3259 ft · 2 min · New Providence Road

  14. 14

    Turn right onto Birch Hill Road

    93 m · 16 sec · Birch Hill Road

  15. 15

    Turn right onto Watchung Avenue

    56 m · 9 sec · Watchung Avenue

  16. 16

    Turn left

    532 ft · 39 sec

  17. 17

    Arrive at your destination

    0 m · 1 sec

Car Route Details

A richer read on the saved driving route between Hamilton and Mountainside.

OSRM road route
Drive Character

Highway-focused drive

Most of the mileage stays on named highways, so the important moments are ramps, exits, merges, and the final local approach.

Directions
17 steps
9 turns on the saved route
Ramps & Exits
3
1 merges, 2 ramps or exits
Navigation Density
41.7 / 100 mi
Decision points by distance
Main Roads
Garden State Parkway
34.6 mi · 85%
Central Avenue
2.91 mi · 7%
Mountain Avenue East
1.09 mi · 3%
New Providence Road
0.62 mi · 2%
GSP Toll North
0.24 mi · 1%
Old Corlies Avenue
0.21 mi · 1%
Longest Stretch

Garden State Parkway

Continue on Garden State Parkway

31.8 mi · 00h 40m

Route Summary

A quick read on whether this route feels easy, ambitious, or worth planning around.

Trip Read

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.

Drive Time
01h 00m
Day trip friendly
Same-Day Return
02h 00m
Round-trip wheel time
Road vs Air
+5.5 mi
35.3 mi direct line
Halfway Stop
Morristown
00h 30m from Hamilton
Leave By
4:30 PM EDT
Morning start is best
Weather Watch

Chance Rain Showers leaving Hamilton and Rain Showers near Mountainside.

Trip Questions

Direct answers travelers usually want before committing to the drive.

How long does it take to drive from Hamilton to Mountainside?

The road trip is about 40.8 miles (65.7 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?

Morristown is a useful midpoint, sitting about 20.4 miles from Hamilton and 20.4 miles from Mountainside.

How much longer is the road route than the straight-line distance?

The direct path is about 35.3 miles (56.8 km), while the road route adds roughly 5.5 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 8:00 AM to 10:00 AM EDT. If you want a more comfortable same-day return, try to leave by 4:30 PM EDT.

How much will gas cost for this route?

Using about 28.3 MPG, regular gas is estimated at $5.88 one way or $11.77 round trip. Estimated CO2 is about 12.8 kg one way.

What should you check before leaving?

Before you leave, expect Chance Rain Showers around Hamilton and Rain Showers near Mountainside.

Stop Ideas Near Morristown

Useful break, food, and waypoint ideas within about 15 miles of the route midpoint.

Mid-route Guidance
Local place coverage is thin around Morristown, so nearby transit and meeting points are shown instead.
Reviewed stop coverage is still thin around this midpoint, so practical transit waypoints are shown on the right.

Transit and Meeting Points

Useful pickup, handoff, or rendezvous points close to Morristown.

RAIL

Metropark station

17 mi away
100 Middlesex-Essex Turnpike
RAIL

New Brunswick station

18 mi away
French and Albany Streets
RAIL

Newark Liberty International Airport

32 mi away
Newark Liberty International Airport
RAIL

Princeton Junction station

34 mi away
2 Wallace Road

Flight Path Map

This map shows the direct air route between Hamilton and Mountainside. Straight-line distance: 35.28 mi (56.77 km).

Hamilton

#1 Hamilton

Township in Mercer County, New Jersey, United States

Population86,722
Coordinates40.2070600, -74.0812500
Altitude26
CountryUnited States
Mountainside

#2 Mountainside

Town

Population6,876
Coordinates40.6723200, -74.3573700
Altitude46
CountryUnited States
Start: Hamilton (-74.08125, 40.20706)
End: Mountainside (-74.35737, 40.67232)

Estimated Travel Time

Distance: 66 km by road

SpeedTime
30 mph (48.3 km/h)01h 21m
40 mph (64.37 km/h)01h 01m
50 mph (80.47 km/h)00h 48m
60 mph (96.56 km/h)00h 40m
70 mph (112.65 km/h)00h 34m
80 mph (129 km/h)00h 30m

Fuel, Round Trip and CO2

Estimated fuel cost and emissions for this route.

One-way fuel
1.44 gal
5.45 L · about $5.88
Round trip
$11.77
2.88 gal · 10.9 L
Estimated CO2
12.8 kg one way
Round trip: 25.6 kg / 56 lb CO2, using regular gasoline.
Fuel$/galOne wayRound trip
Regular gas $4.09 $5.88 $11.77
Mid-grade $4.60 $6.62 $13.25
Premium $4.95 $7.13 $14.27
Diesel $5.98 $8.61 $17.22

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 · May 07, 2026

There is no time difference between Hamilton and Mountainside. The current time is 21:35:19.

Distance to Other Cities

Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.

How did we calculate? Place names are translated into coordinates. The Haversine formula calculates straight-line distance; driving distance uses road network data.