How far is Hammond, LA from Gretna, LA?
The driving distance from Hammond, LA to Gretna, LA is about 61.1 miles (98.4 km), with a travel time of about 01h 14m by car.
- The straight-line flight distance is about 47.5 miles (76.5 km).
- For a round trip, plan for roughly 02h 29m of driving time before adding stops, traffic, or weather delays.
- A comfortable departure window is usually 8:00 AM to 10:00 AM CDT.
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 01h 14m.
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.
Unincorporated suburban community and census-designated place in Saint John the Baptist Parish, Louisiana, United States of America
Route Weather Snapshot
Check the forecast at both ends before you head out.
Partly Sunny then Slight Chance Showers And Thunderstorms
Chance Showers And Thunderstorms
Driving Route Map
The map below follows the saved road route between Hammond and Gretna.
Turn-by-Turn Driving Directions
Step-by-step road directions between Hammond and Gretna.
-
1
Start on West Charles Street
29 m · 8 sec · West Charles Street
-
2
Turn right onto North Oak Street
2417 ft · 48 sec · North Oak Street
-
3
Continue straight
1.3 mi · 2 min
-
4
Continue on Southwest Railroad Avenue
60 m · 3 sec · Southwest Railroad Avenue
-
5
Enter the roundabout and take exit 2 toward Veterans Avenue
39 m · 2 sec · Veterans Avenue
-
6
Exit the roundabout onto Veterans Avenue
126 m · 8 sec · Veterans Avenue
-
7
Enter the roundabout and take exit 1 toward Veterans Avenue
41 m · 2 sec · Veterans Avenue
-
8
Exit the roundabout onto Veterans Avenue
884 ft · 17 sec · Veterans Avenue
-
9
Enter the roundabout and take exit 2 toward Veterans Avenue
38 m · 2 sec · Veterans Avenue
-
10
Exit the roundabout onto Veterans Avenue
2.6 mi · 4 min · Veterans Avenue
-
11
Turn right
1562 ft · 30 sec
-
12
Take the ramp slight right
1284 ft · 32 sec
-
13
Keep slight left
866 ft · 21 sec
-
14
Merge slight left onto Congressman Jimmy Morrison Highway
26.2 mi · 28 min · Congressman Jimmy Morrison Highway
-
15
Merge slight left
20 mi · 25 min
-
16
Keep slight right to continue on Pontchartrain Expressway
3.5 mi · 4 min · Pontchartrain Expressway
-
17
Keep slight left to continue on Pontchartrain Expressway
2.4 mi · 3 min · Pontchartrain Expressway
-
18
Continue on Crescent City Connection
1.1 km · 1 min · Crescent City Connection
-
19
Continue on Westbank Expressway
2 mi · 3 min · Westbank Expressway
-
20
Take the exit slight right toward Stumpf Boulevard
1396 ft · 34 sec
-
21
Turn straight onto Westbank Expressway
2603 ft · 60 sec · Westbank Expressway
-
22
Turn right
759 ft · 38 sec
-
23
At the end of the road, turn left onto 11th Street
20 m · 5 sec · 11th Street
-
24
Turn right onto Richard Street
52 m · 7 sec · Richard Street
-
25
Arrive at your destination
0 m · 1 sec · Richard Street
Car Route Details
A richer read on the saved driving route between Hammond and Gretna.
Highway-focused drive
Most of the mileage stays on named highways, so the important moments are ramps, exits, merges, and the final local approach.
Congressman Jimmy Morrison Highway
Merge slight left onto Congressman Jimmy Morrison Highway
26.2 mi · 00h 28m
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.
Partly Sunny then Slight Chance Showers And Thunderstorms leaving Hammond and Chance Showers And Thunderstorms near Gretna.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Hammond to Gretna?
The road trip is about 61.1 miles (98.4 km) and usually takes 01h 14m 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?
Laplace is a useful midpoint, sitting about 30.6 miles from Hammond and 30.5 miles from Gretna.
How much longer is the road route than the straight-line distance?
The direct path is about 47.5 miles (76.5 km), while the road route adds roughly 13.6 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 CDT. If you want a more comfortable same-day return, try to leave by 4:00 PM CDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $8.18 one way or $16.36 round trip. Estimated CO2 is about 19.2 kg one way.
What should you check before leaving?
Before you leave, expect Partly Sunny then Slight Chance Showers And Thunderstorms around Hammond and Chance Showers And Thunderstorms near Gretna.
Stop Ideas Near Laplace
Useful break, food, and waypoint ideas within about 15 miles of the route midpoint.
Transit and Meeting Points
Useful pickup, handoff, or rendezvous points close to Laplace.
New Orleans Union Passenger Terminal
Schriever
Hammond
Slidell
Flight Path Map
This map shows the direct air route between Hammond and Gretna. Straight-line distance: 47.52 mi (76.47 km).
#1 Hammond
City in Tangipahoa Parish, Louisiana, United States
| Population | 21,359 |
| Coordinates | 30.5046300, -90.4629300 |
| Altitude | 13 |
| Country | United States |
#2 Gretna
Suburb city of New Orleans
| Population | 17,615 |
| Coordinates | 29.9146500, -90.0539600 |
| Altitude | 0 |
| Country | United States |
End: Gretna (-90.05396, 29.91465)
Estimated Travel Time
Distance: 98 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 02h 02m |
| 40 mph (64.37 km/h) | 01h 31m |
| 50 mph (80.47 km/h) | 01h 13m |
| 60 mph (96.56 km/h) | 01h 01m |
| 70 mph (112.65 km/h) | 00h 52m |
| 80 mph (129 km/h) | 00h 45m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.79 | $8.18 | $16.36 |
| Mid-grade | $4.26 | $9.20 | $18.40 |
| Premium | $4.63 | $9.99 | $19.98 |
| Diesel | $5.42 | $11.70 | $23.39 |
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 Louisiana · May 30, 2026
Distance to Other Cities
Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.