How far is Huntsville, AL from Dauphin Island, AL?
The driving distance from Huntsville, AL to Dauphin Island, AL is about 389.7 miles (627.2 km), with a travel time of about 07h 16m by car.
- The straight-line flight distance is about 321.7 miles (517.7 km).
- For a round trip, plan for roughly 14h 32m 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 07h 16m.
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.
The capital of Alabama.
Route Weather Snapshot
Check the forecast at both ends before you head out.
Sunny
Driving Route Map
The map below follows the saved road route between Huntsville and Dauphin Island.
Turn-by-Turn Driving Directions
Step-by-step road directions between Huntsville and Dauphin Island.
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1
Start on Spring Street Southwest
1 m · 4 sec · Spring Street Southwest
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2
Turn right onto West Side Square
115 m · 16 sec · West Side Square
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3
Continue on South Side Square
113 m · 16 sec · South Side Square
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4
Turn left onto East Side Square
113 m · 9 sec · East Side Square
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5
Continue on Washington Street Southeast
111 m · 9 sec · Washington Street Southeast
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6
Continue on Washington Street Northeast
2489 ft · 54 sec · Washington Street Northeast
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7
Take the ramp slight left
1580 ft · 41 sec
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8
Merge slight left
18.9 mi · 20 min
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9
Take the exit slight right toward I 65: Birmingham, Nashville
864 ft · 16 sec
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10
Keep slight left to continue on I 65 South: Birmingham
1.3 km · 2 min
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11
Merge slight left
73.7 mi · 1 hr 19 min
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12
Take the exit slight right toward I 22 West, US 31: Memphis, Fultondale
2715 ft · 38 sec
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13
Keep slight left to continue on I 22 West: Memphis
2666 ft · 38 sec
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14
Keep slight left to continue on Montgomery
1940 ft · 28 sec
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15
Merge slight left
263.9 mi · 4 hr 48 min
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16
Keep slight right to continue on I 10 West: Mississippi
1.1 km · 56 sec
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17
Merge slight left
2.1 mi · 2 min
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18
Take the exit slight right toward AL 193: Dauphin Island, Tillmans Corner
1300 ft · 32 sec
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19
Keep slight left
2390 ft · 58 sec
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20
Keep slight right
1866 ft · 46 sec
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21
Turn straight onto Rangeline Road
5.6 mi · 8 min · Rangeline Road
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22
Continue on West Range Line Road
1.5 mi · 2 min · West Range Line Road
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23
At the end of the road, turn left onto Laurendine Road
1.2 km · 1 min · Laurendine Road
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24
Turn right onto Dauphin Island Parkway
13.7 mi · 19 min · Dauphin Island Parkway
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25
Continue on Gordon Persons Bridge
3.4 mi · 5 min · Gordon Persons Bridge
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26
Continue on Le Moyne Drive
1.2 km · 1 min · Le Moyne Drive
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27
Turn left onto Cadillac Avenue
893 ft · 45 sec · Cadillac Avenue
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28
Turn left
12 m · 4 sec
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29
Turn right
2 m · 1 sec
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30
Arrive at your destination
0 m · 1 sec
Car Route Details
A richer read on the saved driving route between Huntsville and Dauphin Island.
Long-distance drive
This route is long enough that fuel, rest stops, weather, and timing matter more than any single maneuver.
Montgomery
Merge slight left
264 mi · 04h 48m
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.
Sunny leaving Huntsville and Sunny near Dauphin Island.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Huntsville to Dauphin Island?
The road trip is about 389.7 miles (627.2 km) and usually takes 07h 16m 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?
Montgomery is a useful midpoint, sitting about 195.1 miles from Huntsville and 194.6 miles from Dauphin Island.
How much longer is the road route than the straight-line distance?
The direct path is about 321.7 miles (517.7 km), while the road route adds roughly 68 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 $52.07 one way or $104.14 round trip. Estimated CO2 is about 122.2 kg one way.
What should you check before leaving?
Before you leave, expect Sunny around Huntsville and Sunny near Dauphin Island.
Stop Ideas Near Montgomery
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 Montgomery.
Montgomery, AL
Selma, AL
Marion, AL
Camden, AL
Flight Path Map
This map shows the direct air route between Huntsville and Dauphin Island. Straight-line distance: 321.67 mi (517.68 km).
#1 Huntsville
The second most populous city in Alabama.
| Population | 202,964 |
| Coordinates | 34.7304000, -86.5859400 |
| Altitude | 193 |
| Country | United States |
#2 Dauphin Island
Island and town in the U.
| Population | 1,366 |
| Coordinates | 30.2554800, -88.1097200 |
| Altitude | 2 |
| Country | United States |
End: Dauphin Island (-88.10972, 30.25548)
Estimated Travel Time
Distance: 627 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 12h 59m |
| 40 mph (64.37 km/h) | 09h 44m |
| 50 mph (80.47 km/h) | 07h 47m |
| 60 mph (96.56 km/h) | 06h 29m |
| 70 mph (112.65 km/h) | 05h 34m |
| 80 mph (129 km/h) | 04h 51m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.79 | $52.07 | $104.14 |
| Mid-grade | $4.26 | $58.56 | $117.12 |
| Premium | $4.63 | $63.59 | $127.19 |
| Diesel | $5.42 | $74.46 | $148.91 |
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 Alabama · May 13, 2026
Distance to Other Cities
Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.