How far is Port Sulphur, LA from Shreveport, LA?

The driving distance from Port Sulphur, LA to Shreveport, LA is about 374.4 miles (602.5 km), with a travel time of about 05h 58m by car.

  • The straight-line flight distance is about 319.3 miles (513.8 km).
  • For a round trip, plan for roughly 11h 56m of driving time before adding stops, traffic, or weather delays.
  • A comfortable departure window is usually 6:00 AM to 8:00 AM CDT.
Trip Tools

Reverse, save, or send this route

This drive is better planned with a longer stop or an overnight stay. Copy the route link, send it to another device, or print a clean version before you head out.

Reverse Route
Quick Snapshot
Road
374.39 mi
05h 58m
Flight
319.25 mi
513.79 km direct

This drive is better planned with a longer stop or an overnight stay.

Learn Distance

Choose another destination from Port Sulphur.

Flight Distance

Direct air line
319.25 mi
Kilometers
513.79 km
Flight Time
00h 38m

Driving Distance

Road route
374.39 mi
Kilometers
602.53 km
Drive Time
05h 58m

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 05h 58m.

Arrival Snapshot
Arrive in Shreveport
Thu, Apr 16, 2:58 AM CDT
Return by in Port Sulphur
Thu, Apr 16, 8:56 AM CDT
Useful when you're deciding between a quick errand, a day trip, or a longer stop.
Leave Port Sulphur
2026-04-15T20:59
Arrive Shreveport
Thu, Apr 16, 2:58 AM CDT
Route Timing
05h 58m
One way by road
Best Departure Window
6:00 AM to 8:00 AM CDT
Leave early for more breathing room
Arrive between
11:58 AM to 1:58 PM CDT

An early departure helps you fit a real stop into the day without turning the return into a late-night drive.

Leave by
5:04 AM CDT
Keeps a same-day return open with about 04h 00m at the destination.
Back in Port Sulphur
9:00 PM CDT
Early departure recommended

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.

Mid-route stop
Washington
LA

Town in St.

From Port Sulphur
186.5 mi
02h 59m
To Shreveport
187.8 mi
02h 59m

Route Weather Snapshot

Check the forecast at both ends before you head out.

Origin
66°F
Overnight

Mostly Clear

Starts
Wed, Apr 15 1:00 AM CDT
Wind
5 mph SE
Destination
86°F
Today

Partly Sunny

Starts
Wed, Apr 15 7:00 AM CDT
Wind
5 to 15 mph S

Driving Route Map

The map below follows the saved road route between Port Sulphur and Shreveport.

Turn-by-Turn Driving Directions

Step-by-step road directions between Port Sulphur and Shreveport.

  1. 1

    Start on the route

    39.8 mi · 52 min

  2. 2

    Turn right onto Behrman Highway

    2.3 mi · 4 min · Behrman Highway

  3. 3

    Turn straight onto Behrman Place

    1908 ft · 36 sec · Behrman Place

  4. 4

    Keep slight left to continue on Behrman Place

    1567 ft · 45 sec · Behrman Place

  5. 5

    At the end of the road, turn left onto General de Gaulle Drive

    1.2 mi · 2 min · General de Gaulle Drive

  6. 6

    Take the ramp straight toward US 90 Business East: New Orleans

    2126 ft · 42 sec

  7. 7

    Merge slight left onto Westbank Expressway

    1.5 km · 1 min · Westbank Expressway

  8. 8

    Continue on Crescent City Connection

    1 km · 58 sec · Crescent City Connection

  9. 9

    Continue on Pontchartrain Expressway

    80.6 mi · 1 hr 32 min · Pontchartrain Expressway

  10. 10

    Keep slight left

    3.9 mi · 5 min

  11. 11

    Take the exit slight right toward LA 415: Lobdell

    1842 ft · 45 sec

  12. 12

    Keep slight right to continue on LA 415: Lobdell

    97 m · 8 sec

  13. 13

    Merge slight left onto North Lobdell Highway

    3.6 mi · 5 min · North Lobdell Highway

  14. 14

    Merge slight left onto State Route 1

    49 mi · 1 hr 3 min · State Route 1

  15. 15

    Take the exit slight right toward I 49 North, US 167 North: Alexandria

    1494 ft · 36 sec

  16. 16

    Merge slight left onto Charles I. "Doc" Hudson Highway

    186.3 mi · 3 hr 10 min · Charles I. "Doc" Hudson Highway

  17. 17

    Keep slight left to continue on Pete Harris Drive, Murphy Street

    1.3 km · 1 min

  18. 18

    Continue on Pete Harris Drive

    1.3 km · 2 min · Pete Harris Drive

  19. 19

    Turn right onto Caddo Street

    1.4 km · 3 min · Caddo Street

  20. 20

    At the end of the road, turn left onto Clyde Fant Memorial Parkway

    2522 ft · 56 sec · Clyde Fant Memorial Parkway

  21. 21

    Turn slight right onto River Parkway

    21 m · 2 sec · River Parkway

  22. 22

    Arrive at your destination

    0 m · 1 sec · River Parkway

Car Route Details

A richer read on the saved driving route between Port Sulphur and Shreveport.

OSRM road route
Drive Character

Long-distance drive

This route is long enough that fuel, rest stops, weather, and timing matter more than any single maneuver.

Directions
22 steps
6 turns on the saved route
Ramps & Exits
7
4 merges, 3 ramps or exits
Navigation Density
5.9 / 100 mi
Decision points by distance
Main Roads
Charles I. "Doc" Hudson Highway
186 mi · 50%
Pontchartrain Expressway
84.5 mi · 23%
State Route 1
49 mi · 13%
North Lobdell Highway
3.59 mi · 1%
Behrman Highway
2.27 mi · 1%
Pete Harris Drive
1.58 mi
Longest Stretch

Charles I. "Doc" Hudson Highway

Merge slight left onto Charles I. "Doc" Hudson Highway

186 mi · 03h 10m

Route Summary

A quick read on whether this route feels easy, ambitious, or worth planning around.

Trip Read

A longer out-and-back drive

This is still possible in one day, but it becomes a long driving day. Leaving early and planning your stop window matters more here.

Drive Time
05h 58m
Long day trip
Same-Day Return
11h 56m
Round-trip wheel time
Road vs Air
+55.1 mi
319.3 mi direct line
Halfway Stop
Washington
02h 59m from Port Sulphur
Leave By
5:04 AM CDT
Early departure recommended
Weather Watch

Mostly Clear leaving Port Sulphur and Partly Sunny near Shreveport.

Trip Questions

Direct answers travelers usually want before committing to the drive.

How long does it take to drive from Port Sulphur to Shreveport?

The road trip is about 374.4 miles (602.5 km) and usually takes 05h 58m in normal driving conditions.

Is this a same-day trip or an overnight route?

This is still possible in one day, but it becomes a long driving day. Leaving early and planning your stop window matters more here.

What is the halfway point on this route?

Washington is a useful midpoint, sitting about 186.5 miles from Port Sulphur and 187.8 miles from Shreveport.

How much longer is the road route than the straight-line distance?

The direct path is about 319.3 miles (513.8 km), while the road route adds roughly 55.1 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 6:00 AM to 8:00 AM CDT. If you want a more comfortable same-day return, try to leave by 5:04 AM CDT.

How much will gas cost for this route?

Using about 28.3 MPG, regular gas is estimated at $50.03 one way or $100.05 round trip. Estimated CO2 is about 117.4 kg one way.

What should you check before leaving?

Before you leave, expect Mostly Clear around Port Sulphur and Partly Sunny near Shreveport.

Stop Ideas Near Washington

Useful break, food, and waypoint ideas within about 15 miles of the route midpoint.

Mid-route Guidance
These suggestions come from reviewed places and nearby services around Washington and the surrounding midpoint area.
Port Barre Park
Scenic stop 5.8 mi away

Port Barre Park

Port Barre , LA
129, 169 Park St, Port Barre, LA 70577
Rating 4.2/5 49 reviews Park
Stop photo coming soon
Meeting point 2.8 mi away

Washington Town Hall

Washington , LA
405 N Washington St, Washington, LA 70589
Rating 1.4/5 5 reviews City government office
Port Barre Community Center
Nearby stop 5.7 mi away

Port Barre Community Center

Port Barre , LA
122 Park St, Port Barre, LA 70577
Rating 5.0/5 1 reviews Community center

Transit and Meeting Points

Useful pickup, handoff, or rendezvous points close to Washington.

RAIL

Lafayette

43 mi away
133 East Grant St.
RAIL

New Iberia

71 mi away
West Washington St.
BUS

Baton Rouge, Louisiana

86 mi away
1253 Florida St.
RAIL

Lake Charles

119 mi away
100 Ryan Street

Flight Path Map

This map shows the direct air route between Port Sulphur and Shreveport. Straight-line distance: 319.25 mi (513.79 km).

Port Sulphur

#1 Port Sulphur

City in Louisiana, United States of America

Population1,760
Coordinates29.4804900, -89.6939500
Altitude1
CountryUnited States
Shreveport

#2 Shreveport

The second most populous city in Louisiana.

Population184,786
Coordinates32.5251500, -93.7501800
Altitude44
CountryUnited States
Start: (-89.69406, 29.480431)
End: River Parkway (-93.750913, 32.525036)

Estimated Travel Time

Distance: 603 km by road

SpeedTime
30 mph (48.3 km/h)12h 28m
40 mph (64.37 km/h)09h 21m
50 mph (80.47 km/h)07h 29m
60 mph (96.56 km/h)06h 14m
70 mph (112.65 km/h)05h 20m
80 mph (129 km/h)04h 40m

Fuel, Round Trip and CO2

Estimated fuel cost and emissions for this route.

One-way fuel
13.21 gal
50.01 L · about $50.03
Round trip
$100.05
26.42 gal · 100.02 L
Estimated CO2
117.4 kg one way
Round trip: 234.8 kg / 518 lb CO2, using regular gasoline.
Fuel$/galOne wayRound trip
Regular gas $3.79 $50.03 $100.05
Mid-grade $4.26 $56.26 $112.52
Premium $4.63 $61.10 $122.19
Diesel $5.42 $71.53 $143.06

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 · Apr 16, 2026

There is no time difference between Port Sulphur and Shreveport. The current time is 20:59:59.

Distance to Other Cities

Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.

How did we calculate? Place names are translated into coordinates. The Haversine formula calculates straight-line distance; driving distance uses road network data.