How far is Meridian, MS from Bay Saint Louis, MS?
The driving distance from Meridian, MS to Bay Saint Louis, MS is about 169.9 miles (273.5 km), with a travel time of about 03h 24m by car.
- The straight-line flight distance is about 146.8 miles (236.2 km).
- For a round trip, plan for roughly 06h 48m of driving time before adding stops, traffic, or weather delays.
- A comfortable departure window is usually 6:00 AM to 8:00 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 03h 24m.
An early departure helps you fit a real stop into the day without turning the return into a late-night drive.
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.
Census designated place
Route Weather Snapshot
Check the forecast at both ends before you head out.
Mostly Clear
Mostly Clear
Driving Route Map
The map below follows the saved road route between Meridian and Bay Saint Louis.
Turn-by-Turn Driving Directions
Step-by-step road directions between Meridian and Bay Saint Louis.
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1
Start on 25th Avenue
83 m · 17 sec · 25th Avenue
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2
Turn left onto 8th Street
1.4 mi · 2 min · 8th Street
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3
Turn left onto Airport Boulevard
1.1 mi · 2 min · Airport Boulevard
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4
Turn right onto North Frontage Road
907 ft · 15 sec · North Frontage Road
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5
Take the ramp slight left
1120 ft · 27 sec
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6
Merge slight left
1.6 mi · 2 min
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7
Keep slight left to continue on I 59 South: Laurel, New Orleans
121.1 mi · 2 hr 11 min
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8
Take the exit slight right toward MS 53: Poplarville, Necaise
985 ft · 27 sec
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9
Turn left onto South Main Street
15.7 mi · 23 min · South Main Street
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10
Continue straight
25 mi · 37 min
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11
Turn left
2.1 mi · 3 min
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12
Turn right onto Main Street
1.1 mi · 2 min · Main Street
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13
Turn right onto South 2nd Street
1012 ft · 28 sec · South 2nd Street
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14
Arrive at your destination
0 m · 1 sec · South 2nd Street
Car Route Details
A richer read on the saved driving route between Meridian and Bay Saint Louis.
Highway-focused drive
Most of the mileage stays on named highways, so the important moments are ramps, exits, merges, and the final local approach.
I 59 South
Keep slight left to continue on I 59 South: Laurel, New Orleans
121 mi · 02h 11m
Route Summary
A quick read on whether this route feels easy, ambitious, or worth planning around.
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.
Mostly Clear leaving Meridian 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 Meridian to Bay Saint Louis?
The road trip is about 169.9 miles (273.5 km) and usually takes 03h 24m 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?
West Hattiesburg is a useful midpoint, sitting about 85.1 miles from Meridian and 84.8 miles from Bay Saint Louis.
How much longer is the road route than the straight-line distance?
The direct path is about 146.8 miles (236.2 km), while the road route adds roughly 23.1 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 10:12 AM CDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $22.72 one way or $45.44 round trip. Estimated CO2 is about 53.3 kg one way.
What should you check before leaving?
Before you leave, expect Mostly Clear around Meridian and Mostly Clear near Bay Saint Louis.
Stop Ideas Near West Hattiesburg
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 West Hattiesburg.
Hattiesburg station
Hattiesburg, MS
Laurel station
Picayune
Flight Path Map
This map shows the direct air route between Meridian and Bay Saint Louis. Straight-line distance: 146.75 mi (236.17 km).
#1 Meridian
City in and the county seat of Lauderdale County, Mississippi, United States
| Population | 36,011 |
| Coordinates | 32.3643100, -88.7036600 |
| Altitude | 105 |
| 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: 274 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 05h 39m |
| 40 mph (64.37 km/h) | 04h 14m |
| 50 mph (80.47 km/h) | 03h 23m |
| 60 mph (96.56 km/h) | 02h 49m |
| 70 mph (112.65 km/h) | 02h 25m |
| 80 mph (129 km/h) | 02h 07m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.79 | $22.72 | $45.44 |
| Mid-grade | $4.26 | $25.55 | $51.11 |
| Premium | $4.63 | $27.75 | $55.50 |
| Diesel | $5.42 | $32.49 | $64.98 |
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.