How far is Bay Saint Louis, MS from Auburn, MS?

The driving distance from Bay Saint Louis, MS to Auburn, MS is about 317.5 miles (510.9 km), with a travel time of about 05h 08m by car.

  • The straight-line flight distance is about 277.8 miles (447 km).
  • For a round trip, plan for roughly 10h 17m 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
317.44 mi
05h 08m
Flight
277.72 mi
446.95 km direct

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

Learn Distance

Choose another destination from Bay Saint Louis.

Flight Distance

Direct air line
277.72 mi
Kilometers
446.95 km
Flight Time
00h 33m

Driving Distance

Road route
317.44 mi
Kilometers
510.87 km
Drive Time
05h 08m

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 08m.

Arrival Snapshot
Arrive in Auburn
Mon, Apr 20, 6:38 AM CDT
Return by in Bay Saint Louis
Mon, Apr 20, 11:47 AM CDT
Useful when you're deciding between a quick errand, a day trip, or a longer stop.
Leave Bay Saint Louis
2026-04-20T01:30
Arrive Auburn
Mon, Apr 20, 6:38 AM CDT
Route Timing
05h 08m
One way by road
Best Departure Window
6:00 AM to 8:00 AM CDT
Leave early for more breathing room
Arrive between
11:09 AM to 1:09 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
6:42 AM CDT
Keeps a same-day return open with about 04h 00m at the destination.
Back in Bay Saint Louis
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
Enterprise
MS

Town in Clarke County, Mississippi, United States

From Bay Saint Louis
158.5 mi
02h 34m
To Auburn
158.9 mi
02h 34m

Route Weather Snapshot

Check the forecast at both ends before you head out.

Origin
Bay Saint Louis Weather
MS
Live fallback forecast
75°F
Monday
Using Waveland as the closest live forecast in the Hancock County weather hub.

Mostly Sunny

Starts
Mon, Apr 20 6:00 AM CDT
Wind
10 to 15 mph E
Destination
78°F
Monday

Sunny

Starts
Mon, Apr 20 6:00 AM CDT
Wind
0 to 5 mph WSW

Driving Route Map

The map below follows the saved road route between Bay Saint Louis and Auburn.

Turn-by-Turn Driving Directions

Step-by-step road directions between Bay Saint Louis and Auburn.

  1. 1

    Start on South 2nd Street

    1012 ft · 33 sec · South 2nd Street

  2. 2

    Turn left onto Main Street

    1.1 mi · 2 min · Main Street

  3. 3

    Turn left

    2 mi · 3 min

  4. 4

    Turn slight right

    113 m · 13 sec

  5. 5

    Continue straight

    24.9 mi · 37 min

  6. 6

    Continue straight

    15.6 mi · 23 min

  7. 7

    Take the ramp slight right

    1317 ft · 33 sec

  8. 8

    Merge slight left

    120.5 mi · 2 hr 10 min

  9. 9

    Keep slight right to continue on I 59 North, I 20 East: Meridian, Tuscaloosa

    9 mi · 11 min

  10. 10

    Take the exit slight right toward US 45 North: Macon

    1383 ft · 47 sec

  11. 11

    Merge slight left

    65.1 mi · 1 hr 14 min

  12. 12

    Keep slight left to continue on US Highway 45 Alternate

    53 mi · 1 hr 4 min · US Highway 45 Alternate

  13. 13

    Continue on Martin Luther King Drive

    18.1 mi · 21 min · Martin Luther King Drive

  14. 14

    Take the exit slight right toward Eason Boulevard

    1539 ft · 39 sec

  15. 15

    Turn straight onto South Eason Boulevard

    4.9 mi · 8 min · South Eason Boulevard

  16. 16

    Continue on Auburn Road

    1.1 mi · 3 min · Auburn Road

  17. 17

    Turn right onto County Road 1438

    36 m · 5 sec · County Road 1438

  18. 18

    Arrive at your destination

    0 m · 1 sec · County Road 1438

Car Route Details

A richer read on the saved driving route between Bay Saint Louis and Auburn.

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
18 steps
5 turns on the saved route
Ramps & Exits
5
2 merges, 3 ramps or exits
Navigation Density
5.7 / 100 mi
Decision points by distance
Main Roads
Main Street
162 mi · 51%
US 45 North
65.4 mi · 21%
US Highway 45 Alternate
53 mi · 17%
Martin Luther King Drive
18.1 mi · 6%
I 59 North
8.97 mi · 3%
South Eason Boulevard
4.9 mi · 2%
Longest Stretch

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.

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 08m
Long day trip
Same-Day Return
10h 18m
Round-trip wheel time
Road vs Air
+39.7 mi
277.8 mi direct line
Halfway Stop
Enterprise
02h 34m from Bay Saint Louis
Leave By
6:42 AM CDT
Early departure recommended
Weather Watch

Mostly Sunny leaving Bay Saint Louis and Sunny near Auburn.

Trip Questions

Direct answers travelers usually want before committing to the drive.

How long does it take to drive from Bay Saint Louis to Auburn?

The road trip is about 317.5 miles (510.9 km) and usually takes 05h 08m 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?

Enterprise is a useful midpoint, sitting about 158.5 miles from Bay Saint Louis and 158.9 miles from Auburn.

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 39.7 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 6:42 AM CDT.

How much will gas cost for this route?

Using about 28.3 MPG, regular gas is estimated at $42.41 one way or $84.83 round trip. Estimated CO2 is about 99.5 kg one way.

What should you check before leaving?

Before you leave, expect Mostly Sunny around Bay Saint Louis and Sunny near Auburn.

Stop Ideas Near Enterprise

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

Mid-route Guidance
Local place coverage is thin around Enterprise, so nearby transit and meeting points are shown instead.
Reviewed stop coverage is still thin around this midpoint, so practical transit waypoints are shown on the right.

Transit and Meeting Points

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

RAIL

Union Station

25 mi away
1901 Front Street
RAIL

Laurel station

60 mi away
230 North Maple Street
BUS

Hattiesburg, MS

101 mi away
7297 US Highway 49
RAIL

Hattiesburg station

104 mi away
308 Newman St.

Flight Path Map

This map shows the direct air route between Bay Saint Louis and Auburn. Straight-line distance: 277.72 mi (446.95 km).

Bay Saint Louis

#1 Bay Saint Louis

City in Hancock County, Mississippi, United States of America

Population14,529
Coordinates30.3088100, -89.3300500
Altitude7
CountryUnited States
Photo coming soon

#2 Auburn

The most populous city in Lee County, Mississippi.

Population60,258
Coordinates34.2848300, -88.6317200
Altitude101
CountryUnited States
Start: South 2nd Street (-89.329959, 30.308783)
End: County Road 1438 (-88.631724, 34.285019)

Estimated Travel Time

Distance: 511 km by road

SpeedTime
30 mph (48.3 km/h)10h 34m
40 mph (64.37 km/h)07h 56m
50 mph (80.47 km/h)06h 20m
60 mph (96.56 km/h)05h 17m
70 mph (112.65 km/h)04h 32m
80 mph (129 km/h)03h 57m

Fuel, Round Trip and CO2

Estimated fuel cost and emissions for this route.

One-way fuel
11.2 gal
42.4 L · about $42.41
Round trip
$84.83
22.4 gal · 84.8 L
Estimated CO2
99.5 kg one way
Round trip: 199.1 kg / 439 lb CO2, using regular gasoline.
Fuel$/galOne wayRound trip
Regular gas $3.79 $42.41 $84.83
Mid-grade $4.26 $47.70 $95.40
Premium $4.63 $51.80 $103.60
Diesel $5.42 $60.65 $121.30

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

There is no time difference between Bay Saint Louis and Auburn. The current time is 01:30:05.

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.