How far is Manalapan, NJ from Union, NJ?

The driving distance from Manalapan, NJ to Union, NJ is about 43.2 miles (69.6 km), with a travel time of about 00h 46m by car.

  • The straight-line flight distance is about 31.2 miles (50.2 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.
Trip Tools

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.

Reverse Route
Quick Snapshot
Road
43.26 mi
00h 46m
Flight
31.21 mi
50.22 km direct

This route works well as a day trip with time at the destination.

Learn Distance

Choose another destination from Manalapan.

Flight Distance

Direct air line
31.21 mi
Kilometers
50.22 km
Flight Time
00h 03m

Driving Distance

Road route
43.26 mi
Kilometers
69.62 km
Drive Time
00h 46m

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.

Arrival Snapshot
Arrive in Union
Wed, Apr 22, 11:51 PM EDT
Return by in Manalapan
Thu, Apr 23, 12:38 AM EDT
Useful when you're deciding between a quick errand, a day trip, or a longer stop.
Leave Manalapan
2026-04-22T23:04
Arrive Union
Wed, Apr 22, 11:51 PM EDT
Route Timing
00h 46m
One way by road
Best Departure Window
8:00 AM to 10:00 AM EDT
Aim for a morning departure
Arrive between
8:47 AM to 10:47 AM EDT

A morning start gives you useful time at the destination and keeps the return out of the late evening.

Leave by
4:56 PM EDT
Keeps a same-day return open with about 03h 00m at the destination.
Back in Manalapan
9:30 PM EDT
Morning start is best

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.

Mid-route stop
Piscataway
NJ

Township in New Jersey, United States

From Manalapan
21.4 mi
00h 23m
To Union
21.9 mi
00h 23m

Route Weather Snapshot

Check the forecast at both ends before you head out.

Origin
65°F
Wednesday

Chance Rain Showers

Starts
Wed, Apr 22 6:00 AM EDT
Wind
5 mph SW
Destination
Union Weather
NJ
Live fallback forecast
65°F
Wednesday
Using Hillside as the closest live forecast in the Union County weather hub.

Chance Rain Showers

Starts
Wed, Apr 22 6:00 AM EDT
Wind
5 mph SE

Driving Route Map

The map below follows the saved road route between Manalapan and Union.

Turn-by-Turn Driving Directions

Step-by-step road directions between Manalapan and Union.

  1. 1

    Start on Iron Ore Road

    96 m · 7 sec · Iron Ore Road

  2. 2

    Turn left

    5.5 mi · 8 min

  3. 3

    Turn straight

    3140 ft · 60 sec

  4. 4

    Turn right onto New Jersey Turnpike

    22.9 mi · 26 min · New Jersey Turnpike

  5. 5

    Take the exit slight right toward US 9, GSP: Garden State Parkway, Woodbridge

    2656 ft · 1 min

  6. 6

    Keep slight right to continue on GSP North: Garden State Parkway

    1.2 km · 2 min

  7. 7

    Merge slight left onto Garden State Parkway

    11.2 mi · 16 min · Garden State Parkway

  8. 8

    Take the exit slight right toward US 22, NJ 82: Hillside

    1526 ft · 39 sec

  9. 9

    Merge slight left

    48 m · 3 sec

  10. 10

    Take the exit slight right toward NJ 82: Morris Avenue, Kean University, Elizabeth

    878 ft · 24 sec

  11. 11

    Turn slight right onto Morris Avenue

    690 ft · 15 sec · Morris Avenue

  12. 12

    Turn slight right

    155 m · 44 sec

  13. 13

    Turn left onto Morris Avenue

    2494 ft · 55 sec · Morris Avenue

  14. 14

    Turn right onto Harding Avenue

    646 ft · 29 sec · Harding Avenue

  15. 15

    Turn right onto Vauxhall Road

    10 m · 5 sec · Vauxhall Road

  16. 16

    Turn left onto Harding Avenue

    74 m · 11 sec · Harding Avenue

  17. 17

    Arrive at your destination

    0 m · 1 sec · Harding Avenue

Car Route Details

A richer read on the saved driving route between Manalapan and Union.

OSRM road route
Drive Character

Highway-focused drive

Most of the mileage stays on named highways, so the important moments are ramps, exits, merges, and the final local approach.

Directions
17 steps
9 turns on the saved route
Ramps & Exits
5
2 merges, 3 ramps or exits
Navigation Density
39.3 / 100 mi
Decision points by distance
Main Roads
New Jersey Turnpike
22.9 mi · 53%
Garden State Parkway
11.2 mi · 26%
GSP North
0.74 mi · 2%
Morris Avenue
0.6 mi · 1%
US 9
0.5 mi · 1%
US 22
0.32 mi · 1%
Longest Stretch

New Jersey Turnpike

Turn right onto New Jersey Turnpike

22.9 mi · 00h 26m

Route Summary

A quick read on whether this route feels easy, ambitious, or worth planning around.

Trip Read

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.

Drive Time
00h 46m
Day trip friendly
Same-Day Return
01h 34m
Round-trip wheel time
Road vs Air
+12 mi
31.2 mi direct line
Halfway Stop
Piscataway
00h 23m from Manalapan
Leave By
4:56 PM EDT
Morning start is best
Weather Watch

Chance Rain Showers leaving Manalapan 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 Manalapan to Union?

The road trip is about 43.2 miles (69.6 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?

Piscataway is a useful midpoint, sitting about 21.4 miles from Manalapan and 21.9 miles from Union.

How much longer is the road route than the straight-line distance?

The direct path is about 31.2 miles (50.2 km), while the road route adds roughly 12 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 $6.25 one way or $12.50 round trip. Estimated CO2 is about 13.6 kg one way.

What should you check before leaving?

Before you leave, expect Chance Rain Showers around Manalapan and Chance Rain Showers near Union.

Stop Ideas Near Piscataway

Useful break, food, and waypoint ideas within about 15 miles of the route midpoint.

Mid-route Guidance
Local place coverage is thin around Piscataway, so nearby transit and meeting points are shown instead.
Reviewed stop coverage is still thin around this midpoint, so practical transit waypoints are shown on the right.

Transit and Meeting Points

Useful pickup, handoff, or rendezvous points close to Piscataway.

RAIL

New Brunswick station

4 mi away
French and Albany Streets
RAIL

Metropark station

10 mi away
100 Middlesex-Essex Turnpike
RAIL

Princeton Junction station

28 mi away
2 Wallace Road
RAIL

Newark Liberty International Airport

29 mi away
Newark Liberty International Airport

Flight Path Map

This map shows the direct air route between Manalapan and Union. Straight-line distance: 31.21 mi (50.22 km).

Manalapan

#1 Manalapan

Township in Monmouth County, New Jersey

Population39,225
Coordinates40.2573300, -74.3957100
Altitude48
CountryUnited States
Union

#2 Union

A city in Union County, New Jersey.

Population67,137
Coordinates40.6976000, -74.2632000
Altitude30
CountryUnited States
Start: Iron Ore Road (-74.395568, 40.257393)
End: Harding Avenue (-74.26348, 40.697581)

Estimated Travel Time

Distance: 70 km by road

SpeedTime
30 mph (48.3 km/h)01h 26m
40 mph (64.37 km/h)01h 04m
50 mph (80.47 km/h)00h 51m
60 mph (96.56 km/h)00h 43m
70 mph (112.65 km/h)00h 37m
80 mph (129 km/h)00h 32m

Fuel, Round Trip and CO2

Estimated fuel cost and emissions for this route.

One-way fuel
1.53 gal
5.78 L · about $6.25
Round trip
$12.50
3.06 gal · 11.56 L
Estimated CO2
13.6 kg one way
Round trip: 27.2 kg / 60 lb CO2, using regular gasoline.
Fuel$/galOne wayRound trip
Regular gas $4.09 $6.25 $12.50
Mid-grade $4.60 $7.04 $14.07
Premium $4.95 $7.58 $15.16
Diesel $5.98 $9.15 $18.30

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

There is no time difference between Manalapan and Union. The current time is 23:04:40.

Distance to Other Cities

Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.

How did we calculate? Place names are translated into coordinates. The Haversine formula calculates straight-line distance; driving distance uses road network data.