How far is Martinsville, NJ from Union, NJ?
The driving distance from Martinsville, NJ to Union, NJ is about 24.2 miles (39 km), with a travel time of about 00h 29m by car.
- The straight-line flight distance is about 16.9 miles (27.2 km).
- For a round trip, plan for roughly 00h 58m of driving time before adding stops, traffic, or weather delays.
- A comfortable departure window is usually 7:00 AM to 7:00 PM EST.
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 29m.
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.
Township in Union County, New Jersey
Route Weather Snapshot
Check the forecast at both ends before you head out.
Mostly Sunny
Mostly Sunny
Driving Route Map
The map below follows the saved road route between Martinsville and Union.
Turn-by-Turn Driving Directions
Step-by-step road directions between Martinsville and Union.
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1
Start on the route
60 m · 19 sec
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2
Turn left
23 m · 8 sec
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3
Turn right
67 m · 19 sec
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4
At the end of the road, turn right onto Washington Valley Road
1239 ft · 39 sec · Washington Valley Road
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5
Turn right onto Mount Horeb Road
2527 ft · 1 min · Mount Horeb Road
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6
Continue on Liberty Corner Road
2.7 mi · 7 min · Liberty Corner Road
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7
Take the ramp slight right toward I 78 East: Newark
1465 ft · 36 sec
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8
Merge slight left onto Phillipsburg-Newark Expressway
13.5 mi · 16 min · Phillipsburg-Newark Expressway
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9
Keep slight right to continue on Phillipsburg-Newark Expressway
2.1 mi · 2 min · Phillipsburg-Newark Expressway
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10
Take the exit slight right toward NJ 124 East: Maplewood
1775 ft · 43 sec
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11
Turn straight onto Springfield Avenue
1.3 km · 2 min · Springfield Avenue
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12
Turn right onto Vauxhall Road
2 mi · 5 min · Vauxhall Road
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13
Turn left onto Harding Avenue
74 m · 11 sec · Harding Avenue
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14
Arrive at your destination
0 m · 1 sec · Harding Avenue
Car Route Details
A richer read on the saved driving route between Martinsville 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
13.5 mi · 00h 16m
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 leaving Martinsville and Mostly Sunny near Union.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Martinsville to Union?
The road trip is about 24.2 miles (39 km) and usually takes 00h 29m 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?
Berkeley Heights is a useful midpoint, sitting about 11.3 miles from Martinsville and 12.9 miles from Union.
How much longer is the road route than the straight-line distance?
The direct path is about 16.9 miles (27.2 km), while the road route adds roughly 7.3 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 EST. If you want a more comfortable same-day return, try to leave by 7:32 PM EST.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $3.52 one way or $7.05 round trip. Estimated CO2 is about 7.6 kg one way.
What should you check before leaving?
Before you leave, expect Mostly Sunny around Martinsville and Mostly Sunny near Union.
Stop Ideas Near Berkeley Heights
Useful break, food, and waypoint ideas within about 15 miles of the route midpoint.
West Orange Town Hall
City Hall - City of Newark
City Hall
Transit and Meeting Points
Useful pickup, handoff, or rendezvous points close to Berkeley Heights.
Metropark station
Newark Liberty International Airport
New Brunswick station
Pennsylvania Station
Flight Path Map
This map shows the direct air route between Martinsville and Union. Straight-line distance: 16.88 mi (27.16 km).
#1 Martinsville
Martinsville is a place in New Jersey, United States.
| Population | 0 |
| Coordinates | 40.6012100, -74.5590500 |
| Altitude | 107 |
| 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: 39 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 00h 48m |
| 40 mph (64.37 km/h) | 00h 36m |
| 50 mph (80.47 km/h) | 00h 29m |
| 60 mph (96.56 km/h) | 00h 24m |
| 70 mph (112.65 km/h) | 00h 20m |
| 80 mph (129 km/h) | 00h 18m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $4.10 | $3.52 | $7.05 |
| Mid-grade | $4.72 | $4.06 | $8.12 |
| Premium | $5.04 | $4.33 | $8.67 |
| Diesel | $6.33 | $5.45 | $10.89 |
Assumes 8.3 L/100 km (about 28.3 MPG). CO2 is an estimate and varies by vehicle, fuel blend, traffic, and terrain.
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