How far is Union, NJ from Mount Olive, NJ?
The driving distance from Union, NJ to Mount Olive, NJ is about 33.5 miles (53.9 km), with a travel time of about 00h 53m by car.
- The straight-line flight distance is about 26.8 miles (43.1 km).
- For a round trip, plan for roughly 01h 47m of driving time before adding stops, traffic, or weather delays.
- A comfortable departure window is usually 8:00 AM to 10:00 AM EDT.
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.
This route works well as a day trip with time at the destination.
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 53m.
A morning start gives you useful time at the destination and keeps the return out of the late evening.
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 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 Union and Mount Olive.
Turn-by-Turn Driving Directions
Step-by-step road directions between Union and Mount Olive.
-
1
Start on Harding Avenue
74 m · 12 sec · Harding Avenue
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2
Turn right onto Vauxhall Road
2 mi · 5 min · Vauxhall Road
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3
Turn left onto Springfield Avenue
3245 ft · 1 min · Springfield Avenue
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4
Take the ramp straight toward NJ 24 West: Morristown
1875 ft · 1 min
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5
Merge slight left onto Phillipsburg-Newark Expressway
1.5 km · 1 min · Phillipsburg-Newark Expressway
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6
Keep slight right to continue on NJ 24 West: Springfield, Morristown
1798 ft · 34 sec
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7
Continue straight
9.4 mi · 11 min
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8
Keep slight right to continue on I 287 North: Mahwah
2647 ft · 57 sec
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9
Merge slight left
1.5 km · 1 min
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10
Take the exit slight right toward NJ 10: Dover, Whippany
1161 ft · 28 sec
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11
Keep slight left to continue on NJ 10 West: Dover
2876 ft · 1 min
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12
Continue straight
11.8 mi · 17 min
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13
Turn left onto Hillside Avenue
2.7 mi · 6 min · Hillside Avenue
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14
Turn right onto Eyland Avenue
90 m · 6 sec · Eyland Avenue
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15
Continue on Hillside Avenue
1.1 km · 1 min · Hillside Avenue
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16
Continue on North Road
1455 ft · 29 sec · North Road
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17
Turn right onto Main Street
824 ft · 26 sec · Main Street
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18
Continue on Flanders Netcong Road
1393 ft · 44 sec · Flanders Netcong Road
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19
Turn left onto Flanders - Drakestown Road
1.7 mi · 4 min · Flanders - Drakestown Road
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20
Turn right onto Mount Olive Road
57 m · 5 sec · Mount Olive Road
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21
Arrive at your destination
0 m · 1 sec · Mount Olive Road
Car Route Details
A richer read on the saved driving route between Union and Mount Olive.
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.
NJ 10 West
Continue straight
11.8 mi · 00h 17m
Route Summary
A quick read on whether this route feels easy, ambitious, or worth planning around.
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.
Mostly Sunny leaving Union and Mostly Sunny near Mount Olive.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Union to Mount Olive?
The road trip is about 33.5 miles (53.9 km) and usually takes 00h 53m 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?
Morris Plains is a useful midpoint, sitting about 16.7 miles from Union and 16.8 miles from Mount Olive.
How much longer is the road route than the straight-line distance?
The direct path is about 26.8 miles (43.1 km), while the road route adds roughly 6.7 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 4:42 PM EDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $4.82 one way or $9.64 round trip. Estimated CO2 is about 10.5 kg one way.
What should you check before leaving?
Before you leave, expect Mostly Sunny around Union and Mostly Sunny near Mount Olive.
Stop Ideas Near Morris Plains
Useful break, food, and waypoint ideas within about 15 miles of the route midpoint.
West Orange Town Hall
Orange Township City Hall
Bloomfield Municipal Building
Transit and Meeting Points
Useful pickup, handoff, or rendezvous points close to Morris Plains.
Newark Liberty International Airport
Pennsylvania Station
Metropark station
New Brunswick station
Flight Path Map
This map shows the direct air route between Union and Mount Olive. Straight-line distance: 26.78 mi (43.1 km).
#1 Union
A city in Union County, New Jersey.
| Population | 67,137 |
| Coordinates | 40.6976000, -74.2632000 |
| Altitude | 30 |
| Country | United States |
#2 Mount Olive
Township of New Jersey
| Population | 28,815 |
| Coordinates | 40.8514900, -74.7329400 |
| Altitude | 314 |
| Country | United States |
End: Mount Olive (-74.73294, 40.85149)
Estimated Travel Time
Distance: 54 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 01h 06m |
| 40 mph (64.37 km/h) | 00h 50m |
| 50 mph (80.47 km/h) | 00h 40m |
| 60 mph (96.56 km/h) | 00h 33m |
| 70 mph (112.65 km/h) | 00h 28m |
| 80 mph (129 km/h) | 00h 25m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $4.09 | $4.82 | $9.64 |
| Mid-grade | $4.60 | $5.43 | $10.85 |
| Premium | $4.95 | $5.85 | $11.69 |
| Diesel | $5.98 | $7.06 | $14.11 |
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.