How far is Jefferson, LA from Laplace, LA?
Distance by Flight
Shortest distance between Jefferson and Laplace is 20.84 miles (33.55 km).
Flight distance from Jefferson, LA to Laplace, LA is 20.84 miles. Estimated flight time is 00 hours 03 minutes.
Driving distance
The driving distance from Jefferson, Louisiana to Laplace, Louisiana is: 25.05 miles (40.31 km) by car.
Driving from Jefferson to Laplace will take approximately 00 hours 32 minutes.
#1 Jefferson
| Population | |
|---|---|
| GPS Coordinates | 29°57'58"N 90°9'11"W |
| Latitude | 29.9660400 |
| Longitude | -90.1531300 |
| Altitude | 1 |
| Country | United States |
#2 Laplace
Unincorporated suburban community and census-designated place in Saint John the Baptist Parish, Louisiana, United States of America
| Population | 29872 |
|---|---|
| GPS Coordinates | 30°4'1"N 90°28'53"W |
| Latitude | 30.0669800 |
| Longitude | -90.4814700 |
| Altitude | 3 |
| Country | United States |
Ending point in Laplace: (-90.481509,30.067001)
Estimated Travel Time Between Jefferson and Laplace
The distance between Jefferson and Laplace 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 Jefferson and Laplace. The current time is 14:34:41.
| Average Speed | Travel Time |
|---|---|
| 30 mph (48.3 km/h) | 00 hours 50 minutes |
| 40 mph (64.37 km/h) | 00 hours 37 minutes |
| 50 mph (80.47 km/h) | 00 hours 30 minutes |
| 60 mph (96.56 km/h) | 00 hours 25 minutes |
| 70 mph (112.65 km/h) | 00 hours 21 minutes |
| 75 mph (120.7 km/h) | 00 hours 20 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 3.35 liters (0.88 gallon) of gas to cover the route between Jefferson and Laplace.
The estimated cost of gas to go from Jefferson to Laplace is $2.72 (diesel $3.59).
Louisiana gas prices.
| Gasoline | Mid Grade | Premium | Diesel | |
|---|---|---|---|---|
| Gallon | $3.07 | $3.48 | $3.84 | $4.06 |
| Total | $2.72 | $3.08 | $3.4 | $3.59 |
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 December 21, 2025.
How did we calculate the distance?
The place names are translated into coordinates to approximate the distance between Jefferson and Laplace (latitude and longitude). Cities, states, and countries each have their own regional center. The Haversine formula is used to measure the radius.
