How far is Montgomery, AL from Dauphin Island, AL?
The driving distance from Montgomery, AL to Dauphin Island, AL is about 201.8 miles (324.7 km), with a travel time of about 03h 49m by car.
- The straight-line flight distance is about 180.8 miles (291 km).
- For a round trip, plan for roughly 07h 39m of driving time before adding stops, traffic, or weather delays.
- A comfortable departure window is usually 6:00 AM to 8:00 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 03h 49m.
An early departure helps you fit a real stop into the day without turning the return into a late-night drive.
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.
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 Montgomery and Dauphin Island.
Turn-by-Turn Driving Directions
Step-by-step road directions between Montgomery and Dauphin Island.
-
1
Start on South Union Street
573 ft · 21 sec · South Union Street
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2
Turn left onto East South Street
2751 ft · 1 min · East South Street
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3
Take the ramp straight
828 ft · 20 sec
-
4
Merge slight left
2014 ft · 34 sec
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5
Keep slight left to continue on I 65 South: Mobile, Day Street
922 ft · 16 sec
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6
Keep slight left to continue on I-65 South: Mobile
1236 ft · 21 sec
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7
Continue on I 65 South: Mobile
603 ft · 15 sec
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8
Merge slight left
170.3 mi · 3 hr 4 min
-
9
Keep slight right to continue on I 10 West: Mississippi
1.1 km · 56 sec
-
10
Merge slight left
2.1 mi · 2 min
-
11
Take the exit slight right toward AL 193: Dauphin Island, Tillmans Corner
1300 ft · 32 sec
-
12
Keep slight left
2390 ft · 58 sec
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13
Keep slight right
1866 ft · 46 sec
-
14
Turn straight onto Rangeline Road
5.6 mi · 8 min · Rangeline Road
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15
Continue on West Range Line Road
1.5 mi · 2 min · West Range Line Road
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16
At the end of the road, turn left onto Laurendine Road
1.2 km · 1 min · Laurendine Road
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17
Turn right onto Dauphin Island Parkway
13.7 mi · 19 min · Dauphin Island Parkway
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18
Continue on Gordon Persons Bridge
3.4 mi · 5 min · Gordon Persons Bridge
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19
Continue on Le Moyne Drive
1.2 km · 1 min · Le Moyne Drive
-
20
Turn left onto Cadillac Avenue
893 ft · 45 sec · Cadillac Avenue
-
21
Turn left
12 m · 4 sec
-
22
Turn right
2 m · 1 sec
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23
Arrive at your destination
0 m · 1 sec
Car Route Details
A richer read on the saved driving route between Montgomery and Dauphin Island.
Highway-focused drive
Most of the mileage stays on named highways, so the important moments are ramps, exits, merges, and the final local approach.
I 65 South
Merge slight left
170 mi · 03h 04m
Route Summary
A quick read on whether this route feels easy, ambitious, or worth planning around.
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.
Sunny leaving Montgomery 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 Montgomery to Dauphin Island?
The road trip is about 201.8 miles (324.7 km) and usually takes 03h 49m 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?
Repton is a useful midpoint, sitting about 101 miles from Montgomery and 100.8 miles from Dauphin Island.
How much longer is the road route than the straight-line distance?
The direct path is about 180.8 miles (291 km), while the road route adds roughly 21 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 9:20 AM CDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $26.96 one way or $53.93 round trip. Estimated CO2 is about 63.3 kg one way.
What should you check before leaving?
Before you leave, expect Sunny around Montgomery and Sunny near Dauphin Island.
Stop Ideas Near Repton
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 Repton.
Grove Hill, AL
Jackson, AL
Camden, AL
Thomasville, AL
Flight Path Map
This map shows the direct air route between Montgomery and Dauphin Island. Straight-line distance: 180.81 mi (290.98 km).
#1 Montgomery
The capital of Alabama.
| Population | 196,268 |
| Coordinates | 32.3668100, -86.2999700 |
| Altitude | 73 |
| 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: 325 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 06h 43m |
| 40 mph (64.37 km/h) | 05h 02m |
| 50 mph (80.47 km/h) | 04h 02m |
| 60 mph (96.56 km/h) | 03h 21m |
| 70 mph (112.65 km/h) | 02h 52m |
| 80 mph (129 km/h) | 02h 31m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.79 | $26.96 | $53.93 |
| Mid-grade | $4.26 | $30.32 | $60.65 |
| Premium | $4.63 | $32.93 | $65.86 |
| Diesel | $5.42 | $38.55 | $77.11 |
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.