How far is Gretna, LA from Slidell, LA?

Distance by Flight

Shortest distance between Gretna and Slidell is 29.77 miles (47.92 km).

Flight distance from Gretna, LA to Slidell, LA is 29.77 miles. Estimated flight time is 00 hours 04 minutes.

Driving distance

The driving distance from Gretna, Louisiana to Slidell, Louisiana is: 38.78 miles (62.42 km) by car.

Driving from Gretna to Slidell will take approximately 00 hours 42 minutes.

#1 Gretna

Suburb city of New Orleans

Population	17615
GPS Coordinates	29°54'53"N 90°3'14"W
Latitude	29.9146500
Longitude	-90.0539600
Altitude	0
Country	United States

#2 Slidell

City in Louisiana

Population	27541
GPS Coordinates	30°16'31"N 89°46'52"W
Latitude	30.2751900
Longitude	-89.7811700
Altitude	1
Country	United States

Starting point in Gretna: Richard Street (-90.054338,29.914415)
Ending point in Slidell: Bouscaren Street (-89.78117,30.275199)

Estimated Travel Time Between Gretna and Slidell

The distance between Gretna and Slidell is 62 km if you choose to drive by road. You can go 00 hours 41 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 Gretna and Slidell. The current time is 08:15:36.

Average Speed	Travel Time
30 mph (48.3 km/h)	01 hours 17 minutes
40 mph (64.37 km/h)	00 hours 58 minutes
50 mph (80.47 km/h)	00 hours 46 minutes
60 mph (96.56 km/h)	00 hours 38 minutes
70 mph (112.65 km/h)	00 hours 33 minutes
75 mph (120.7 km/h)	00 hours 31 minutes
80 mph (128.75 km/h)	00 hours 29 minutes

Gas Consumption

A car with a fuel efficiency of 8.3 l/100 km will need 5.18 liters (1.37 gallon) of gas to cover the route between Gretna and Slidell.
The estimated cost of gas to go from Gretna to Slidell is $4.21 (diesel $5.56).

Louisiana gas prices.

	Gasoline	Mid Grade	Premium	Diesel
Gallon	$3.07	$3.48	$3.84	$4.06
Total	$4.21	$4.77	$5.26	$5.56

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 Louisiana ) per gallon of daily gas for calculations is $3.073 (Diesel $4.064) /gallon. Last changed prices on April 20, 2024.

How did we calculate the distance?

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