How far is Byram, MS from Biloxi, MS?
The driving distance from Byram, MS to Biloxi, MS is about 173.1 miles (278.6 km), with a travel time of about 02h 50m by car.
- The straight-line flight distance is about 147.1 miles (236.7 km).
- For a round trip, plan for roughly 05h 40m 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 50m.
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.
Driving Route Map
The map below follows the saved road route between Byram and Biloxi.
Turn-by-Turn Driving Directions
Step-by-step road directions between Byram and Biloxi.
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1
Start on South Siwell Road
20 m · 1 sec · South Siwell Road
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2
Continue on Old Byram Road
787 ft · 16 sec · Old Byram Road
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3
Continue on Swinging Bridge Road
2297 ft · 46 sec · Swinging Bridge Road
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4
Continue on Florence-Byram Road
1.4 mi · 2 min · Florence-Byram Road
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5
Continue on Florence Byram Road
3.7 mi · 7 min · Florence Byram Road
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6
Continue on West Main Street
1.7 mi · 4 min · West Main Street
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7
Continue on MS 469
2112 ft · 42 sec · MS 469
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8
Turn right onto Highway 49 South
72 mi · 1 hr 26 min · Highway 49 South
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9
Continue straight
2294 ft · 36 sec
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10
Continue straight
1.1 mi · 2 min
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11
Take the exit slight right toward I 59 South: New Orleans, Gulf Coast
1914 ft · 36 sec
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12
Merge slight left onto Lance Corporal Roy M Wheat Memorial Highway
7.7 mi · 8 min · Lance Corporal Roy M Wheat Memorial Highway
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13
Take the exit slight right toward US 98 East: Lucedale, Mobile
3.2 mi · 4 min
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14
Take the exit slight right toward US 49: Wiggins, Gulfport, Mississippi Gulf Coast
1558 ft · 44 sec
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15
Keep slight left to continue on Multi Purpose Center, Hattiesburg
833 ft · 28 sec
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16
Turn right
41.9 mi · 49 min
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17
Take the exit slight right toward MS 67 South: D'Iberville, Biloxi
1.2 km · 1 min
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18
Continue on Biloxi-D'Iberville Scenic Expressway
20.5 mi · 24 min · Biloxi-D'Iberville Scenic Expressway
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19
Continue straight
3.2 mi · 4 min
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20
Take the exit slight right toward Division Street
1852 ft · 47 sec
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21
Turn left onto Division Street
3090 ft · 2 min · Division Street
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22
Turn right onto Main Street
2572 ft · 1 min · Main Street
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23
Turn left onto Howard Avenue
28 m · 3 sec · Howard Avenue
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24
Arrive at your destination
0 m · 1 sec · Howard Avenue
Car Route Details
A richer read on the saved driving route between Byram and Biloxi.
Highway-focused drive
Most of the mileage stays on named highways, so the important moments are ramps, exits, merges, and the final local approach.
Highway 49 South
Turn right onto Highway 49 South
72 mi · 01h 26m
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.
Sunny leaving Byram and Sunny near Biloxi.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Byram to Biloxi?
The road trip is about 173.1 miles (278.6 km) and usually takes 02h 50m 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 80.5 miles from Byram and 92.6 miles from Biloxi.
How much longer is the road route than the straight-line distance?
The direct path is about 147.1 miles (236.7 km), while the road route adds roughly 26 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 12:50 PM CDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $23.14 one way or $46.28 round trip. Estimated CO2 is about 54.3 kg one way.
What should you check before leaving?
Before you leave, expect Sunny around Byram and Sunny near Biloxi.
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 Byram and Biloxi. Straight-line distance: 147.07 mi (236.68 km).
#1 Byram
City in Hinds County, Mississippi, United States
| Population | 11,265 |
| Coordinates | 32.1793200, -90.2453700 |
| Altitude | 81 |
| Country | United States |
#2 Biloxi
The most populous city in Harrison County, Mississippi.
| Population | 46,127 |
| Coordinates | 30.3960300, -88.8853100 |
| Altitude | 6 |
| Country | United States |
End: Howard Avenue (-88.885301, 30.396075)
Estimated Travel Time
Distance: 279 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 05h 46m |
| 40 mph (64.37 km/h) | 04h 19m |
| 50 mph (80.47 km/h) | 03h 27m |
| 60 mph (96.56 km/h) | 02h 53m |
| 70 mph (112.65 km/h) | 02h 28m |
| 80 mph (129 km/h) | 02h 09m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.79 | $23.14 | $46.28 |
| Mid-grade | $4.26 | $26.02 | $52.04 |
| Premium | $4.63 | $28.26 | $56.52 |
| Diesel | $5.42 | $33.09 | $66.17 |
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 17, 2026
Distance to Other Cities
Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.