How far is Olive Branch, MS from Bay Saint Louis, MS?
The driving distance from Olive Branch, MS to Bay Saint Louis, MS is about 371.2 miles (597.4 km), with a travel time of about 07h 18m by car.
- The straight-line flight distance is about 322.8 miles (519.5 km).
- For a round trip, plan for roughly 14h 36m of driving time before adding stops, traffic, or weather delays.
- A comfortable departure window is usually 6:00 AM to 7:30 AM CDT.
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.
This drive is better planned with a longer stop or an overnight stay.
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 07h 18m.
Starting early still helps, but most travelers will want a longer stop or an overnight stay on a route this long.
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 Madison County, Florida, United States
Route Weather Snapshot
Check the forecast at both ends before you head out.
Partly Cloudy
Mostly Clear
Driving Route Map
The map below follows the saved road route between Olive Branch and Bay Saint Louis.
Turn-by-Turn Driving Directions
Step-by-step road directions between Olive Branch and Bay Saint Louis.
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1
Start on Goodman Road
79 m · 13 sec · Goodman Road
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2
Turn left onto Cockrum Road
6.2 mi · 11 min · Cockrum Road
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3
Take the ramp right toward Tunica
1702 ft · 42 sec
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4
Merge slight left
9.2 mi · 10 min
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5
Take the exit slight right toward I 55 South: Jackson
1833 ft · 45 sec
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6
Keep slight left to continue on I 55 South: Jackson
1.2 km · 2 min
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7
Merge slight left
186.1 mi · 3 hr 21 min
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8
Take the exit slight right toward I 20 East, US 49 South: Meridian, Hattiesburg
1.5 km · 1 min
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9
Keep slight right to continue on Richland, Hattiesburg
1.2 km · 2 min
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10
Merge slight left onto Highway 49 South
80.3 mi · 1 hr 37 min · Highway 49 South
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11
Continue straight
2294 ft · 36 sec
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12
Continue straight
1.1 mi · 2 min
-
13
Take the exit slight right toward I 59 South: New Orleans, Gulf Coast
1914 ft · 36 sec
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14
Merge slight left onto Lance Corporal Roy M Wheat Memorial Highway
40.1 mi · 43 min · Lance Corporal Roy M Wheat Memorial Highway
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15
Take the exit slight right toward MS 53: Poplarville, Necaise
985 ft · 27 sec
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16
Turn left onto South Main Street
15.7 mi · 23 min · South Main Street
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17
Continue straight
25 mi · 37 min
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18
Turn left
2.1 mi · 3 min
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19
Turn right onto Main Street
1.1 mi · 2 min · Main Street
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20
Turn right onto South 2nd Street
1012 ft · 28 sec · South 2nd Street
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21
Arrive at your destination
0 m · 1 sec · South 2nd Street
Car Route Details
A richer read on the saved driving route between Olive Branch and Bay Saint Louis.
Long-distance drive
This route is long enough that fuel, rest stops, weather, and timing matter more than any single maneuver.
I 55 South
Merge slight left
186 mi · 03h 21m
Route Summary
A quick read on whether this route feels easy, ambitious, or worth planning around.
Better with a longer stop
This route is long enough that most travelers will be better off planning an overnight stay or a more deliberate stop window.
Partly Cloudy leaving Olive Branch and Mostly Clear near Bay Saint Louis.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Olive Branch to Bay Saint Louis?
The road trip is about 371.2 miles (597.4 km) and usually takes 07h 18m in normal driving conditions.
Is this a same-day trip or an overnight route?
This route is long enough that most travelers will be better off planning an overnight stay or a more deliberate stop window.
What is the halfway point on this route?
Madison is a useful midpoint, sitting about 185.9 miles from Olive Branch and 185.3 miles from Bay Saint Louis.
How much longer is the road route than the straight-line distance?
The direct path is about 322.8 miles (519.5 km), while the road route adds roughly 48.4 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 7:30 AM CDT. Starting early still helps, but most travelers will want a longer stop or an overnight stay on a route this long.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $49.61 one way or $99.22 round trip. Estimated CO2 is about 116.4 kg one way.
What should you check before leaving?
Before you leave, expect Partly Cloudy around Olive Branch and Mostly Clear near Bay Saint Louis.
Stop Ideas Near Madison
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 Madison.
Union Station
Yazoo City
Hazlehurst station
Vicksburg, MS
Flight Path Map
This map shows the direct air route between Olive Branch and Bay Saint Louis. Straight-line distance: 322.8 mi (519.49 km).
#1 Olive Branch
A city in DeSoto County, Mississippi.
| Population | 39,646 |
| Coordinates | 34.9617600, -89.8295300 |
| Altitude | 118 |
| Country | United States |
#2 Bay Saint Louis
City in Hancock County, Mississippi, United States of America
| Population | 14,529 |
| Coordinates | 30.3088100, -89.3300500 |
| Altitude | 7 |
| Country | United States |
End: Bay Saint Louis (-89.33005, 30.30881)
Estimated Travel Time
Distance: 597 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 12h 22m |
| 40 mph (64.37 km/h) | 09h 16m |
| 50 mph (80.47 km/h) | 07h 25m |
| 60 mph (96.56 km/h) | 06h 11m |
| 70 mph (112.65 km/h) | 05h 18m |
| 80 mph (129 km/h) | 04h 37m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.79 | $49.61 | $99.22 |
| Mid-grade | $4.26 | $55.79 | $111.59 |
| Premium | $4.63 | $60.59 | $121.18 |
| Diesel | $5.42 | $70.94 | $141.87 |
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 Mississippi · Apr 15, 2026
Distance to Other Cities
Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.