How far is Saint Martinville, LA from Slidell, LA?
The driving distance from Saint Martinville, LA to Slidell, LA is about 147.8 miles (237.9 km), with a travel time of about 02h 33m by car.
- The straight-line flight distance is about 123 miles (197.9 km).
- For a round trip, plan for roughly 05h 06m 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 33m.
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
Sunny
Driving Route Map
The map below follows the saved road route between Saint Martinville and Slidell.
Turn-by-Turn Driving Directions
Step-by-step road directions between Saint Martinville and Slidell.
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1
Start on West Bridge Street
1447 ft · 53 sec · West Bridge Street
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2
Turn left onto Rue Principale Nord
3245 ft · 55 sec · Rue Principale Nord
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3
Continue on Main Highway
5.6 mi · 8 min · Main Highway
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4
Continue on Martin Street
994 ft · 19 sec · Martin Street
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5
Turn right onto Bridge Street
2656 ft · 1 min · Bridge Street
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6
At the end of the road, turn left onto Bridge Street Highway
1737 ft · 36 sec · Bridge Street Highway
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7
Turn right onto Nursery Highway
1.2 mi · 2 min · Nursery Highway
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8
Continue on Nursery Highway
1.2 km · 1 min · Nursery Highway
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9
At the end of the road, turn right onto Nursery Highway
4.6 mi · 8 min · Nursery Highway
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10
At the end of the road, turn right onto Nina Highway
1.9 mi · 3 min · Nina Highway
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11
At the end of the road, turn left onto Henderson Highway
3202 ft · 1 min · Henderson Highway
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12
Enter the roundabout and take exit 1 toward the route
21 m · 2 sec
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13
Exit the roundabout
1545 ft · 38 sec
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14
Merge slight left
44.2 mi · 52 min
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15
Take the exit slight left toward I 12 East: Hammond
1.3 km · 2 min
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16
Continue on West Florida Republic Parkway
79.5 mi · 1 hr 26 min · West Florida Republic Parkway
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17
Take the exit slight right toward Airport Drive, North Shore Boulevard
2028 ft · 51 sec
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18
Turn right onto Northshore Boulevard
3233 ft · 1 min · Northshore Boulevard
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19
At the end of the road, turn left onto Gause Boulevard West
3 mi · 5 min · Gause Boulevard West
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20
Turn right onto Front Street
1 km · 1 min · Front Street
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21
Turn left onto Fremaux Avenue
723 ft · 19 sec · Fremaux Avenue
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22
Turn right onto 3rd Street
845 ft · 19 sec · 3rd Street
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23
Turn right onto Bouscaren Street
67 m · 10 sec · Bouscaren Street
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24
Arrive at your destination
0 m · 1 sec · Bouscaren Street
Car Route Details
A richer read on the saved driving route between Saint Martinville and Slidell.
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
Continue on West Florida Republic Parkway
79.5 mi · 01h 26m
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 Saint Martinville and Sunny near Slidell.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Saint Martinville to Slidell?
The road trip is about 147.8 miles (237.9 km) and usually takes 02h 33m 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 73.1 miles from Saint Martinville and 74.8 miles from Slidell.
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 24.8 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 1:24 PM CDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $20.42 one way or $40.84 round trip. Estimated CO2 is about 46.4 kg one way.
What should you check before leaving?
Before you leave, expect Sunny around Saint Martinville and Sunny near Slidell.
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 Saint Martinville and Slidell. Straight-line distance: 122.99 mi (197.93 km).
#1 Saint Martinville
City in Louisiana, USA
| Population | 5,676 |
| Coordinates | 30.1252000, -91.8334500 |
| Altitude | 7 |
| Country | United States |
#2 Slidell
City in Louisiana
| Population | 27,541 |
| Coordinates | 30.2751900, -89.7811700 |
| Altitude | 1 |
| Country | United States |
End: Bouscaren Street (-89.78117, 30.275199)
Estimated Travel Time
Distance: 238 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 04h 55m |
| 40 mph (64.37 km/h) | 03h 41m |
| 50 mph (80.47 km/h) | 02h 57m |
| 60 mph (96.56 km/h) | 02h 27m |
| 70 mph (112.65 km/h) | 02h 06m |
| 80 mph (129 km/h) | 01h 50m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.91 | $20.42 | $40.84 |
| Mid-grade | $4.38 | $22.84 | $45.69 |
| Premium | $4.78 | $24.96 | $49.91 |
| Diesel | $5.82 | $30.40 | $60.79 |
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