How far is Auburn, MS from Bay Saint Louis, MS?
The driving distance from Auburn, MS to Bay Saint Louis, MS is about 316.4 miles (509.2 km), with a travel time of about 06h 19m by car.
- The straight-line flight distance is about 277.8 miles (447 km).
- For a round trip, plan for roughly 12h 38m 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 06h 19m.
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.
Town in Clarke County, Mississippi, United States
Route Weather Snapshot
Check the forecast at both ends before you head out.
Mostly Clear
Driving Route Map
The map below follows the saved road route between Auburn and Bay Saint Louis.
Turn-by-Turn Driving Directions
Step-by-step road directions between Auburn and Bay Saint Louis.
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1
Start on County Road 1438
36 m · 11 sec · County Road 1438
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2
Turn left onto Auburn Road / County Road 931
1.1 mi · 3 min · Auburn Road / County Road 931
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3
Continue on North Eason Boulevard
5.1 mi · 8 min · North Eason Boulevard
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4
Turn left onto US 45 South, MS 6 West: Columbus, Pontotoc
1383 ft · 34 sec
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5
Merge slight left onto Martin Luther King, Junior Drive
1.9 mi · 2 min · Martin Luther King, Junior Drive
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6
Continue on Martin Luther King Drive
7.7 mi · 9 min · Martin Luther King Drive
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7
Continue straight
1.4 mi · 2 min
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8
Continue straight
2.2 mi · 2 min
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9
Continue straight
1.5 mi · 2 min
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10
Continue straight
1.1 km · 49 sec
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11
Continue straight
1.4 mi · 2 min
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12
Continue on US Highway 45 Alternate
54.7 mi · 1 hr 6 min · US Highway 45 Alternate
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13
Continue on US Highway 45 Aiternate
60.6 mi · 1 hr 9 min · US Highway 45 Aiternate
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14
Keep slight right
3.9 mi · 4 min
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15
Take the exit slight right toward I 59 South, I 20 West: Meridian
2689 ft · 1 min
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16
Merge slight left
6.3 mi · 8 min
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17
Continue straight
1.8 mi · 2 min
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18
Keep slight left to continue on I 59 South: Laurel, New Orleans
121.1 mi · 2 hr 11 min
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19
Take the exit slight right toward MS 53: Poplarville, Necaise
985 ft · 27 sec
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20
Turn left onto South Main Street
15.7 mi · 23 min · South Main Street
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21
Continue straight
25 mi · 37 min
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22
Turn left
2.1 mi · 3 min
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23
Turn right onto Main Street
1.1 mi · 2 min · Main Street
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24
Turn right onto South 2nd Street
1012 ft · 28 sec · South 2nd Street
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25
Arrive at your destination
0 m · 1 sec · South 2nd Street
Car Route Details
A richer read on the saved driving route between Auburn 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 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.
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 Auburn 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 Auburn to Bay Saint Louis?
The road trip is about 316.4 miles (509.2 km) and usually takes 06h 19m 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?
Enterprise is a useful midpoint, sitting about 158.5 miles from Auburn and 158 miles from Bay Saint Louis.
How much longer is the road route than the straight-line distance?
The direct path is about 277.8 miles (447 km), while the road route adds roughly 38.6 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 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 $42.26 one way or $84.53 round trip. Estimated CO2 is about 99.2 kg one way.
What should you check before leaving?
Before you leave, expect Partly Cloudy around Auburn and Mostly Clear near Bay Saint Louis.
Stop Ideas Near Enterprise
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 Enterprise.
Union Station
Laurel station
Hattiesburg, MS
Hattiesburg station
Flight Path Map
This map shows the direct air route between Auburn and Bay Saint Louis. Straight-line distance: 277.72 mi (446.95 km).
#1 Auburn
The most populous city in Lee County, Mississippi.
| Population | 60,258 |
| Coordinates | 34.2848300, -88.6317200 |
| Altitude | 101 |
| 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: 509 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 10h 32m |
| 40 mph (64.37 km/h) | 07h 54m |
| 50 mph (80.47 km/h) | 06h 19m |
| 60 mph (96.56 km/h) | 05h 16m |
| 70 mph (112.65 km/h) | 04h 31m |
| 80 mph (129 km/h) | 03h 56m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.79 | $42.26 | $84.53 |
| Mid-grade | $4.26 | $47.53 | $95.06 |
| Premium | $4.63 | $51.62 | $103.23 |
| Diesel | $5.42 | $60.43 | $120.86 |
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.