How far is Horn Lake, MS from Saint Martin, MS?
The driving distance from Horn Lake, MS to Saint Martin, MS is about 359 miles (577.8 km), with a travel time of about 06h 55m by car.
- The straight-line flight distance is about 319.4 miles (514 km).
- For a round trip, plan for roughly 13h 51m 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 55m.
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.
City in Madison County, Florida, United States
Route Weather Snapshot
Check the forecast at both ends before you head out.
Partly Cloudy
Sunny
Driving Route Map
The map below follows the saved road route between Horn Lake and Saint Martin.
Turn-by-Turn Driving Directions
Step-by-step road directions between Horn Lake and Saint Martin.
-
1
Start on Camelot Road
59 m · 14 sec · Camelot Road
-
2
Turn left onto Hurt Road
2690 ft · 2 min · Hurt Road
-
3
Turn right onto Goodman Road West
1.8 mi · 3 min · Goodman Road West
-
4
Take the ramp slight right toward Jackson
2237 ft · 54 sec
-
5
Merge slight left
193.5 mi · 3 hr 29 min
-
6
Take the exit slight right toward I 20 East, US 49 South: Meridian, Hattiesburg
1.5 km · 1 min
-
7
Keep slight right to continue on Richland, Hattiesburg
1.2 km · 2 min
-
8
Merge slight left onto Highway 49 South
80.3 mi · 1 hr 37 min · Highway 49 South
-
9
Continue straight
2294 ft · 36 sec
-
10
Continue straight
1.1 mi · 2 min
-
11
Take the exit slight right toward I 59 South: New Orleans, Gulf Coast
1914 ft · 36 sec
-
12
Merge slight left onto Lance Corporal Roy M Wheat Memorial Highway
7.7 mi · 8 min · Lance Corporal Roy M Wheat Memorial Highway
-
13
Take the exit slight right toward US 98 East: Lucedale, Mobile
3.2 mi · 4 min
-
14
Take the exit slight right toward US 49: Wiggins, Gulfport, Mississippi Gulf Coast
1558 ft · 44 sec
-
15
Keep slight left to continue on Multi Purpose Center, Hattiesburg
833 ft · 28 sec
-
16
Turn right
41.9 mi · 49 min
-
17
Take the exit slight right toward MS 67 South: D'Iberville, Biloxi
1.2 km · 1 min
-
18
Continue on Biloxi-D'Iberville Scenic Expressway
20.5 mi · 24 min · Biloxi-D'Iberville Scenic Expressway
-
19
Continue straight
1.4 mi · 2 min
-
20
Take the exit slight right toward D'Iberville
989 ft · 24 sec
-
21
Keep slight left
58 m · 7 sec
-
22
Turn left onto Rodriguez Street
2090 ft · 1 min · Rodriguez Street
-
23
At the end of the road, turn left onto Gorenflo Road
2858 ft · 1 min · Gorenflo Road
-
24
Turn right onto Lemoyne Boulevard
1.4 mi · 3 min · Lemoyne Boulevard
-
25
Turn right onto Sundown Avenue
1669 ft · 1 min · Sundown Avenue
-
26
Turn right onto Needle Street
154 m · 22 sec · Needle Street
-
27
Arrive at your destination
0 m · 1 sec · Needle Street
Car Route Details
A richer read on the saved driving route between Horn Lake and Saint Martin.
Long-distance drive
This route is long enough that fuel, rest stops, weather, and timing matter more than any single maneuver.
Jackson
Merge slight left
194 mi · 03h 29m
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 Horn Lake and Sunny near Saint Martin.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Horn Lake to Saint Martin?
The road trip is about 359 miles (577.8 km) and usually takes 06h 55m 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?
Madison is a useful midpoint, sitting about 179.8 miles from Horn Lake and 179.2 miles from Saint Martin.
How much longer is the road route than the straight-line distance?
The direct path is about 319.4 miles (514 km), while the road route adds roughly 39.6 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 $47.98 one way or $95.96 round trip. Estimated CO2 is about 112.6 kg one way.
What should you check before leaving?
Before you leave, expect Partly Cloudy around Horn Lake and Sunny near Saint Martin.
Stop Ideas Near Madison
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 Madison.
Union Station
Yazoo City
Hazlehurst station
Vicksburg, MS
Flight Path Map
This map shows the direct air route between Horn Lake and Saint Martin. Straight-line distance: 319.4 mi (514.02 km).
#1 Horn Lake
City in De Soto County, Mississippi, United States
| Population | 27,282 |
| Coordinates | 34.9553700, -90.0348100 |
| Altitude | 91 |
| Country | United States |
#2 Saint Martin
Census-designated place in Jackson County, Mississippi
| Population | 7,730 |
| Coordinates | 30.4379800, -88.8680900 |
| Altitude | 3 |
| Country | United States |
End: Saint Martin (-88.86809, 30.43798)
Estimated Travel Time
Distance: 578 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 11h 57m |
| 40 mph (64.37 km/h) | 08h 58m |
| 50 mph (80.47 km/h) | 07h 10m |
| 60 mph (96.56 km/h) | 05h 59m |
| 70 mph (112.65 km/h) | 05h 07m |
| 80 mph (129 km/h) | 04h 28m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.79 | $47.98 | $95.96 |
| Mid-grade | $4.26 | $53.96 | $107.92 |
| Premium | $4.63 | $58.60 | $117.20 |
| Diesel | $5.42 | $68.61 | $137.22 |
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 16, 2026
Distance to Other Cities
Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.