How far is Slidell, LA from Saint Martinville, LA?
The driving distance from Slidell, LA to Saint Martinville, LA is about 146.6 miles (236 km), with a travel time of about 02h 56m by car.
- The straight-line flight distance is about 123 miles (197.9 km).
- For a round trip, plan for roughly 05h 53m 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 02h 56m.
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.
City in Livingston Parish, Louisiana, United States
Route Weather Snapshot
Check the forecast at both ends before you head out.
Sunny
Driving Route Map
The map below follows the saved road route between Slidell and Saint Martinville.
Turn-by-Turn Driving Directions
Step-by-step road directions between Slidell and Saint Martinville.
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1
Start on Bouscaren Street
67 m · 15 sec · Bouscaren Street
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2
Turn left onto 3rd Street
845 ft · 24 sec · 3rd Street
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3
Turn left onto Fremaux Avenue
723 ft · 21 sec · Fremaux Avenue
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4
Turn right onto Front Street
1 km · 1 min · Front Street
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5
Turn left onto Gause Boulevard West
3 mi · 5 min · Gause Boulevard West
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6
Turn right onto Northshore Boulevard
1.1 km · 1 min · Northshore Boulevard
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7
Continue on Airport Road
1520 ft · 29 sec · Airport Road
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8
Take the ramp left
1862 ft · 45 sec
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9
Merge slight left onto West Florida Republic Parkway
80.3 mi · 1 hr 27 min · West Florida Republic Parkway
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10
Merge slight right
3.6 mi · 4 min
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11
Keep slight left
40.5 mi · 47 min
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12
Take the exit slight right toward LA 347: Henderson, Cecilia
1602 ft · 39 sec
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13
Enter the roundabout and take exit 3 toward Grand Point Highway
69 m · 5 sec · Grand Point Highway
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14
Exit the roundabout onto Grand Point Highway
531 ft · 11 sec · Grand Point Highway
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15
Enter the roundabout and take exit 1 toward Grand Point Highway
40 m · 3 sec · Grand Point Highway
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16
Exit the roundabout onto Grand Point Highway
47 m · 3 sec · Grand Point Highway
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17
Turn slight left
56 m · 12 sec
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18
Turn left onto Henderson Highway
2917 ft · 1 min · Henderson Highway
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19
Turn right onto Nina Highway
1.9 mi · 3 min · Nina Highway
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20
Turn left onto Nursery Highway
4.6 mi · 8 min · Nursery Highway
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21
Continue on Nursery Highway
1.2 km · 1 min · Nursery Highway
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22
At the end of the road, turn right onto Nursery Highway
1.2 mi · 2 min · Nursery Highway
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23
At the end of the road, turn left onto Bridge Street Highway
1737 ft · 35 sec · Bridge Street Highway
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24
Turn right onto Bridge Street
2656 ft · 1 min · Bridge Street
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25
Turn left onto Martin Street
994 ft · 17 sec · Martin Street
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26
Continue on Main Highway
5.6 mi · 8 min · Main Highway
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27
Continue on Rue Principale Nord
3245 ft · 1 min · Rue Principale Nord
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28
Turn right onto West Bridge Street
1447 ft · 44 sec · West Bridge Street
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29
Arrive at your destination
0 m · 1 sec · West Bridge Street
Car Route Details
A richer read on the saved driving route between Slidell and Saint Martinville.
Highway-focused drive
Most of the mileage stays on named highways, so the important moments are ramps, exits, merges, and the final local approach.
West Florida Republic Parkway
Merge slight left onto West Florida Republic Parkway
80.3 mi · 01h 27m
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.
Sunny leaving Slidell and Sunny near Saint Martinville.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Slidell to Saint Martinville?
The road trip is about 146.6 miles (236 km) and usually takes 02h 56m 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?
Denham Springs is a useful midpoint, sitting about 73.2 miles from Slidell and 73.4 miles from Saint Martinville.
How much longer is the road route than the straight-line distance?
The direct path is about 123 miles (197.9 km), while the road route adds roughly 23.6 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 12:36 PM CDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $20.26 one way or $40.53 round trip. Estimated CO2 is about 46 kg one way.
What should you check before leaving?
Before you leave, expect Sunny around Slidell and Sunny near Saint Martinville.
Stop Ideas Near Denham Springs
Useful break, food, and waypoint ideas within about 15 miles of the route midpoint.
Port Vincent Clerks Office
Central City Municipal Services
City of Baton Rouge Fire Station 6
Transit and Meeting Points
Useful pickup, handoff, or rendezvous points close to Denham Springs.
Baton Rouge, Louisiana
Hammond
Schriever
McComb
Flight Path Map
This map shows the direct air route between Slidell and Saint Martinville. Straight-line distance: 122.99 mi (197.93 km).
#1 Slidell
City in Louisiana
| Population | 27,541 |
| Coordinates | 30.2751900, -89.7811700 |
| Altitude | 1 |
| Country | United States |
#2 Saint Martinville
City in Louisiana, USA
| Population | 5,676 |
| Coordinates | 30.1252000, -91.8334500 |
| Altitude | 7 |
| Country | United States |
End: Saint Martinville (-91.83345, 30.1252)
Estimated Travel Time
Distance: 236 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 04h 53m |
| 40 mph (64.37 km/h) | 03h 40m |
| 50 mph (80.47 km/h) | 02h 55m |
| 60 mph (96.56 km/h) | 02h 26m |
| 70 mph (112.65 km/h) | 02h 05m |
| 80 mph (129 km/h) | 01h 49m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.91 | $20.26 | $40.53 |
| Mid-grade | $4.38 | $22.67 | $45.34 |
| Premium | $4.78 | $24.77 | $49.53 |
| Diesel | $5.82 | $30.16 | $60.33 |
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 · Oct 15, 2026