How far is Long Hill, NJ from Union, NJ?
The driving distance from Long Hill, NJ to Union, NJ is about 14.4 miles (23.1 km), with a travel time of about 00h 22m by car.
- The straight-line flight distance is about 8.8 miles (14.1 km).
- For a round trip, plan for roughly 00h 45m 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 22m.
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.
City in Union County, New Jersey, United States
Route Weather Snapshot
Check the forecast at both ends before you head out.
Chance Rain Showers
Chance Rain Showers
Driving Route Map
The map below follows the saved road route between Long Hill and Union.
Turn-by-Turn Driving Directions
Step-by-step road directions between Long Hill and Union.
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1
Start on Long Hill Lane
112 m · 22 sec · Long Hill Lane
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2
Turn left onto Mountainview Road
58 m · 13 sec · Mountainview Road
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3
Turn right onto Fairmount Avenue
1904 ft · 46 sec · Fairmount Avenue
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4
Continue on Central Avenue
2454 ft · 1 min · Central Avenue
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5
Turn right onto Springfield Avenue
1161 ft · 33 sec · Springfield Avenue
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6
Turn left onto Union Avenue
1.3 mi · 3 min · Union Avenue
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7
Continue on Diamond Hill Road
3099 ft · 1 min · Diamond Hill Road
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8
Take the ramp left toward I 78 East: Newark
1355 ft · 33 sec
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9
Merge slight left onto Phillipsburg-Newark Expressway
4.1 mi · 5 min · Phillipsburg-Newark Expressway
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10
Keep slight right to continue on Phillipsburg-Newark Expressway
2.1 mi · 2 min · Phillipsburg-Newark Expressway
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11
Take the exit slight right toward NJ 124 East: Maplewood
1775 ft · 43 sec
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12
Turn straight onto Springfield Avenue
1.3 km · 2 min · Springfield Avenue
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13
Turn right onto Vauxhall Road
2 mi · 5 min · Vauxhall Road
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14
Turn left onto Harding Avenue
74 m · 11 sec · Harding Avenue
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15
Arrive at your destination
0 m · 1 sec · Harding Avenue
Car Route Details
A richer read on the saved driving route between Long Hill and Union.
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
Merge slight left onto Phillipsburg-Newark Expressway
4.11 mi · 00h 05m
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.
Chance Rain Showers leaving Long Hill and Chance Rain Showers near Union.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Long Hill to Union?
The road trip is about 14.4 miles (23.1 km) and usually takes 00h 22m 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?
Summit is a useful midpoint, sitting about 6.3 miles from Long Hill and 8 miles from Union.
How much longer is the road route than the straight-line distance?
The direct path is about 8.8 miles (14.1 km), while the road route adds roughly 5.6 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 7:44 PM EDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $2.08 one way or $4.17 round trip. Estimated CO2 is about 4.5 kg one way.
What should you check before leaving?
Before you leave, expect Chance Rain Showers around Long Hill and Chance Rain Showers near Union.
Stop Ideas Near Summit
Useful break, food, and waypoint ideas within about 15 miles of the route midpoint.
West Orange Town Hall
City of Elizabeth
Bloomfield Municipal Building
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 Long Hill and Union. Straight-line distance: 8.74 mi (14.07 km).
#1 Long Hill
Township of New Jersey
| Population | 8,382 |
| Coordinates | 40.7078800, -74.4296000 |
| Altitude | 85 |
| Country | United States |
#2 Union
A city in Union County, New Jersey.
| Population | 67,137 |
| Coordinates | 40.6976000, -74.2632000 |
| Altitude | 30 |
| Country | United States |
End: Harding Avenue (-74.26348, 40.697581)
Estimated Travel Time
Distance: 23 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 00h 28m |
| 40 mph (64.37 km/h) | 00h 21m |
| 50 mph (80.47 km/h) | 00h 17m |
| 60 mph (96.56 km/h) | 00h 14m |
| 70 mph (112.65 km/h) | 00h 12m |
| 80 mph (129 km/h) | 00h 10m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $4.09 | $2.08 | $4.17 |
| Mid-grade | $4.60 | $2.35 | $4.69 |
| Premium | $4.95 | $2.53 | $5.05 |
| Diesel | $5.98 | $3.05 | $6.10 |
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.