How far is Bay Saint Louis, MS from Meridian, MS?
The driving distance from Bay Saint Louis, MS to Meridian, MS is about 170.4 miles (274.3 km), with a travel time of about 02h 47m by car.
- The straight-line flight distance is about 146.8 miles (236.2 km).
- For a round trip, plan for roughly 05h 34m 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 47m.
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.
Census designated place
Route Weather Snapshot
Check the forecast at both ends before you head out.
Mostly Sunny
Sunny
Driving Route Map
The map below follows the saved road route between Bay Saint Louis and Meridian.
Turn-by-Turn Driving Directions
Step-by-step road directions between Bay Saint Louis and Meridian.
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1
Start on South 2nd Street
1012 ft · 33 sec · South 2nd Street
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2
Turn left onto Main Street
1.1 mi · 2 min · Main Street
-
3
Turn left
2 mi · 3 min
-
4
Turn slight right
113 m · 13 sec
-
5
Continue straight
24.9 mi · 37 min
-
6
Continue straight
15.6 mi · 23 min
-
7
Take the ramp slight right
1317 ft · 33 sec
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8
Merge slight left
120.5 mi · 2 hr 10 min
-
9
Keep slight right to continue on I 59 North, I 20 East: Meridian, Tuscaloosa
2 mi · 2 min
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10
Take the exit slight right toward South US 11, North Mississippi 19: Philadelphia, Meridian Airport
1916 ft · 44 sec
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11
Turn left
1.2 mi · 2 min
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12
Turn right onto 8th Street
1.4 mi · 2 min · 8th Street
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13
Turn right onto 25th Avenue
83 m · 12 sec · 25th Avenue
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14
Arrive at your destination
0 m · 1 sec · 25th Avenue
Car Route Details
A richer read on the saved driving route between Bay Saint Louis and Meridian.
Straightforward drive
The saved road route has a manageable number of maneuvers and should be easy to follow with normal attention to signs.
Main Street
Merge slight left
121 mi · 02h 10m
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.
Mostly Sunny leaving Bay Saint Louis and Sunny near Meridian.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Bay Saint Louis to Meridian?
The road trip is about 170.4 miles (274.3 km) and usually takes 02h 47m 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?
West Hattiesburg is a useful midpoint, sitting about 85.1 miles from Bay Saint Louis and 85.4 miles from Meridian.
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 23.6 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 12:56 PM CDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $22.80 one way or $45.60 round trip. Estimated CO2 is about 53.5 kg one way.
What should you check before leaving?
Before you leave, expect Mostly Sunny around Bay Saint Louis and Sunny near Meridian.
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 Bay Saint Louis and Meridian. Straight-line distance: 146.75 mi (236.17 km).
#1 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 |
#2 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 |
End: 25th Avenue (-88.703608, 32.36431)
Estimated Travel Time
Distance: 274 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 05h 40m |
| 40 mph (64.37 km/h) | 04h 15m |
| 50 mph (80.47 km/h) | 03h 24m |
| 60 mph (96.56 km/h) | 02h 50m |
| 70 mph (112.65 km/h) | 02h 26m |
| 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 | $22.80 | $45.60 |
| Mid-grade | $4.26 | $25.64 | $51.28 |
| Premium | $4.63 | $27.84 | $55.68 |
| Diesel | $5.42 | $32.60 | $65.20 |
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 20, 2026
Distance to Other Cities
Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.