How far is Old Tappan, NJ from Union, NJ?
The driving distance from Old Tappan, NJ to Union, NJ is about 31.6 miles (50.8 km), with a travel time of about 00h 46m by car.
- The straight-line flight distance is about 25.9 miles (41.7 km).
- For a round trip, plan for roughly 01h 33m 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 46m.
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.
The most populous city in Passaic County, New Jersey.
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 Old Tappan and Union.
Turn-by-Turn Driving Directions
Step-by-step road directions between Old Tappan and Union.
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1
Start on Washington Avenue South
2576 ft · 1 min · Washington Avenue South
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2
Turn right onto Westwood Avenue
2325 ft · 1 min · Westwood Avenue
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3
Continue on `
1.2 mi · 3 min · `
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4
Continue on Westwood Avenue
1.2 km · 2 min · Westwood Avenue
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5
Continue on Cedar Lane
562 ft · 16 sec · Cedar Lane
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6
Continue on Harrington Avenue
1933 ft · 54 sec · Harrington Avenue
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7
Turn right onto Park Place
66 m · 11 sec · Park Place
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8
Turn left onto Westwood Avenue
1694 ft · 43 sec · Westwood Avenue
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9
Turn left onto 3rd Avenue
1.1 km · 1 min · 3rd Avenue
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10
Continue on 4th Avenue
3008 ft · 1 min · 4th Avenue
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11
Continue on 4th Avenue
904 ft · 19 sec · 4th Avenue
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12
Continue on Forest Avenue
1.6 km · 2 min · Forest Avenue
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13
Turn right onto Oradell Avenue
1.5 km · 2 min · Oradell Avenue
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14
Take the ramp right toward GSP Toll South: Commuter Parking
101 m · 14 sec
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15
Continue straight
744 ft · 28 sec
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16
Keep slight left to continue on From Road, Parkway South
770 ft · 17 sec
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17
Turn straight onto From Road
559 ft · 12 sec · From Road
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18
Take the ramp straight toward GSP South
1908 ft · 51 sec
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19
Merge slight left onto Garden State Parkway
22.1 mi · 30 min · Garden State Parkway
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20
Take the exit slight right toward Vauxhall Road
1129 ft · 31 sec
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21
Turn right onto Vauxhall Road
2017 ft · 1 min · Vauxhall Road
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22
Turn right onto Harding Avenue
74 m · 11 sec · Harding Avenue
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23
Arrive at your destination
0 m · 1 sec · Harding Avenue
Car Route Details
A richer read on the saved driving route between Old Tappan 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.
Garden State Parkway
Merge slight left onto Garden State Parkway
22.1 mi · 00h 30m
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.
Chance Rain Showers leaving Old Tappan 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 Old Tappan to Union?
The road trip is about 31.6 miles (50.8 km) and usually takes 00h 46m 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?
Clifton is a useful midpoint, sitting about 15.3 miles from Old Tappan and 16.2 miles from Union.
How much longer is the road route than the straight-line distance?
The direct path is about 25.9 miles (41.7 km), while the road route adds roughly 5.7 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 4:56 PM EDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $4.54 one way or $9.07 round trip. Estimated CO2 is about 9.9 kg one way.
What should you check before leaving?
Before you leave, expect Chance Rain Showers around Old Tappan and Chance Rain Showers near Union.
Stop Ideas Near Clifton
Useful break, food, and waypoint ideas within about 15 miles of the route midpoint.
City Hall Parking Lot
#Artlook New York City Hall Wedding Photographer
City Hall Personnel Office
Diamond City Hall Photography
Transit and Meeting Points
Useful pickup, handoff, or rendezvous points close to Clifton.
Pennsylvania Station
Newark Liberty International Airport
Pennsylvania Station
Yonkers station
Flight Path Map
This map shows the direct air route between Old Tappan and Union. Straight-line distance: 25.88 mi (41.65 km).
#1 Old Tappan
Town
| Population | 5,870 |
| Coordinates | 41.0106500, -73.9912500 |
| Altitude | 24 |
| 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: 51 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 01h 03m |
| 40 mph (64.37 km/h) | 00h 47m |
| 50 mph (80.47 km/h) | 00h 37m |
| 60 mph (96.56 km/h) | 00h 31m |
| 70 mph (112.65 km/h) | 00h 27m |
| 80 mph (129 km/h) | 00h 23m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $4.09 | $4.54 | $9.07 |
| Mid-grade | $4.60 | $5.10 | $10.21 |
| Premium | $4.95 | $5.50 | $11.00 |
| Diesel | $5.98 | $6.64 | $13.28 |
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.