How far is Mendham, NJ from Union, NJ?

Distance by Flight

Shortest distance between Mendham and Union is 18.48 miles (29.74 km).

Flight distance from Mendham, NJ to Union, NJ is 18.48 miles. Estimated flight time is 00 hours 03 minutes.

Driving distance

The driving distance from Mendham, New Jersey to Union, New Jersey is: 24.88 miles (40.04 km) by car.

Driving from Mendham to Union will take approximately 00 hours 36 minutes.

#1 Mendham

Borough in Morris County, New Jersey

Population	4836
GPS Coordinates	40°46'33"N 74°36'3"W
Latitude	40.7759300
Longitude	-74.6007100
Altitude	187
Country	United States

A city in Union County, New Jersey. It is located in the northeastern part of the county. Union is known for its many parks and green spaces, its many historical sites, and its many attractions, such as the Kean University campus and the Union City Historical Society.

Population	67137
GPS Coordinates	40°41'51"N 74°15'48"W
Latitude	40.6976000
Longitude	-74.2632000
Altitude	30
Country	United States

Starting point in Mendham: Mendham Road (-74.600661,40.775917)
Ending point in Union: Harding Avenue (-74.26348,40.697581)

Estimated Travel Time Between Mendham and Union

The distance between Mendham and Union is 40 km if you choose to drive by road. You can go 00 hours 26 minutes if you drive your car at an average speed of 90 kilometers / hour. For different choices, please review the avg. speed travel time table on the below.

There is no time difference between Mendham and Union. The current time is 03:03:54.

Average Speed	Travel Time
30 mph (48.3 km/h)	00 hours 49 minutes
40 mph (64.37 km/h)	00 hours 37 minutes
50 mph (80.47 km/h)	00 hours 29 minutes
60 mph (96.56 km/h)	00 hours 24 minutes
70 mph (112.65 km/h)	00 hours 21 minutes
75 mph (120.7 km/h)	00 hours 19 minutes
80 mph (128.75 km/h)	00 hours 18 minutes

Gas Consumption

A car with a fuel efficiency of 8.3 l/100 km will need 3.32 liters (0.88 gallon) of gas to cover the route between Mendham and Union.
The estimated cost of gas to go from Mendham to Union is $3.01 (diesel $3.94).

New Jersey gas prices.

	Gasoline	Mid Grade	Premium	Diesel
Gallon	$3.42	$4.04	$4.31	$4.49
Total	$3.01	$3.55	$3.79	$3.94

Take a look at our Gas Cost Calculator feature. It will figure out how much it will cost to drive this particular distance.

The average gas price (in New Jersey ) per gallon of daily gas for calculations is $3.423 (Diesel $4.492) /gallon. Last changed prices on April 24, 2024.

How did we calculate the distance?

The place names are translated into coordinates to approximate the distance between Mendham and Union (latitude and longitude). Cities, states, and countries each have their own regional center. The Haversine formula is used to measure the radius.