Compiled and reviewed by the US Trip Planner planning team at COD Solutions Oy · Last reviewed Sep 12, 2026 · Editorial standards
Drive Time
21m
Distance
12.3 mi
20 km
Drive Score
8/10
Great drive
Same Day?
Yes, doable
Fuel Cost
$2
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.
Union, NJ
Arjun Gheewala
Long Hill, NJ
David Kanigan
The drive from Union, NJ to Long Hill, NJ covers 12.3 miles and takes about 21m behind the wheel. This route is realistic as a one-day drive if you keep your stops efficient.
The route leans on Phillipsburg-Newark Expressway, Vauxhall Road, Union Avenue for much of the mileage, and the overall profile is mixed highway & surface. The longest uninterrupted segment is about 6 miles on Phillipsburg-Newark Expressway. At current regular gas prices, budget about $2.11 one way before food or hotel costs.
| Road | Distance | Duration |
|---|---|---|
| Phillipsburg-Newark Expressway | 6 mi | 6m |
| Vauxhall Road | 2 mi | 5m |
| Union Avenue | 1.3 mi | 2m |
| Springfield Avenue | 0.9 mi | 2m |
| Central Avenue | 0.5 mi | 1m |
| Diamond Hill Road | 0.4 mi | <1m |
| Fairmount Avenue | 0.4 mi | <1m |
| Long Hill Lane | <0.1 mi | <1m |
Step-by-step road directions between Union, NJ and Long Hill, NJ.
Start on Harding Avenue
Turn right onto CR 630
Turn left onto NJ 124
Continue on NJ 124
Take the ramp
Merge onto I 78
Take the exit
Turn straight onto CR 655
Continue on Union Avenue
At end of road, turn right onto CR 512
Turn left onto Central Avenue
Continue on Fairmount Avenue
Turn left onto Mountainview Road
Turn right onto Long Hill Lane
Arrive at destination
5 decision points cluster between mile 0 and 12.3 — GPS handles the exact turns, but know they're coming. Your lane choice matters more than the turn itself.
Turn right onto CR 630 / Vauxhall Road
Lane positioning matters here
Turn left onto NJ 124 / Springfield Avenue
Lane positioning matters here
Take the exit toward New Providence, Berkeley Heights
Exit ramp - move to the correct lane early. Lane positioning matters here. Multiple destination signs - pick the right one
At end of road, turn right onto CR 512 / Springfield Avenue
Navigation decision point
Turn right onto Long Hill Lane
Navigation decision point
Regular Gas
$2.11 one way
$4.23 round trip
| Fuel Type | $/gal | One Way | Round Trip |
|---|---|---|---|
| midgrade | $4.79 | $2.32 | $4.64 |
| premium | $5.13 | $2.48 | $4.97 |
| diesel | $5.97 | $2.89 | $5.78 |
No toll roads detected on this route.
Drive Cost (one way)
Fuel
$2
Estimated CO2 emission: 4.3 kg one way. Prices: EIA weekly data, 2026-09-07.
Driving Electric?
About $1 in charging · 0 stops · 75% less CO2
| Vehicle Type | kWh | Stops | DC Fast | Home Charge |
|---|---|---|---|---|
| Average EV | 3.7 | 0 | $1.29 | $0.59 |
| Efficient EV | 3.1 | 0 | $1.08 | $0.49 |
| EV Truck/SUV | 4.9 | 0 | $1.72 | $0.79 |
Gas CO2
4 kg
EV CO2
1 kg (75% 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
Morning in Union on Saturday
Local time
6:12 AM
EDT
Current temp
74°F
Slight Chance Rain Showers
Destination
Morning in Long Hill on Saturday
Local time
6:12 AM
EDT
Current temp
74°F
Partly Sunny
Time zone
Origin and destination are on the same clock, so arrival timing is easier to judge at a glance.
Temperature spread
Both ends of the route are sitting at about the same temperature right now.
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.
12.3 mi in 21m — 49% highway, the rest on surface roads. Biggest road: Phillipsburg-Newark Expressway.
This route mixes highway mileage with some local-road sections near the start or finish. You will hit about 9 points where you need to pay attention to lane position or signs. The trickiest moment comes early in the drive near CR 630 / Vauxhall Road.
Moderate - straightforward overall, but long enough or busy enough to require pacing
Balances navigation complexity with total wheel time.
This drive requires moderate attention. Across 12.3 miles you will encounter 9 spots where lane choice or exit timing matters. Not difficult for experienced highway drivers, but worth previewing the tricky sections before you go.
Where does it get tricky?
The main spots that need attention: near the start (CR 630 / Vauxhall Road): Lane positioning matters here; at 2 miles (NJ 124 / Springfield Avenue): Lane positioning matters here; at 9.1 miles: Exit ramp - move to the correct lane early. Lane positioning matters here. Multiple destination signs - pick the right one.
Mostly flat terrain
Total Climb
483 ft
Total Descent
305 ft
Highest Point
427 ft
~7.9 mi in
Elevation Range
336 ft
Based on OSRM destination-sign hints, not a full list of every settlement the road passes.
Between Union, NJ and Long Hill, NJ, road signs point toward New Providence and Berkeley Heights.
New Providence
Berkeley Heights
Founded 1866
Long Hill Township is located in Morris County, New Jersey.
Top landmarks
City content from Wikivoyage (CC BY-SA 4.0) and Wikidata (CC0).
Weekend Trip
Doable as a same-day drive at 21m. Total distance: 12.3 miles.
Family Friendly
Moderate complexity with 0 natural rest stops along the way.
Solo Traveler
21m drive, comfortable solo distance.
EV Driver
0 DC fast chargers along the route. Coverage: unknown.
First-Time Driver
Mostly highway driving (49%). Some complex stretches to watch for.
Scenic Drive
Mixed highway & surface route profile with national parks nearby.
Compiled by the US Trip Planner planning team at COD Solutions Oy from open government datasets — OSRM over OpenStreetMap for geometry, EIA for fuel prices, USGS 3DEP for elevation, and NPS for national parks. See our methodology for refresh cadence and limitations.
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