How far is Dauphin Island, AL from Mobile, AL?

The driving distance from Dauphin Island, AL to Mobile, AL is about 36.2 miles (58.3 km), with a travel time of about 00h 42m by car.

  • The straight-line flight distance is about 30.6 miles (49.2 km).
  • For a round trip, plan for roughly 01h 25m of driving time before adding stops, traffic, or weather delays.
  • A comfortable departure window is usually 7:00 AM to 7:00 PM CDT.
Trip Tools

Reverse, save, or send this route

This is an easy same-day return drive. Copy the route link, send it to another device, or print a clean version before you head out.

Reverse Route
Quick Snapshot
Road
36.21 mi
00h 42m
Flight
30.58 mi
49.22 km direct

This is an easy same-day return drive.

Learn Distance

Choose another destination from Dauphin Island.

Flight Distance

Direct air line
30.58 mi
Kilometers
49.22 km
Flight Time
00h 03m

Driving Distance

Road route
36.21 mi
Kilometers
58.27 km
Drive Time
00h 42m

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 00h 42m.

Arrival Snapshot
Arrive in Mobile
Tue, May 12, 10:16 PM CDT
Return by in Dauphin Island
Tue, May 12, 10:58 PM CDT
Useful when you're deciding between a quick errand, a day trip, or a longer stop.
Leave Dauphin Island
2026-05-12T21:33
Arrive Mobile
Tue, May 12, 10:16 PM CDT
Route Timing
00h 42m
One way by road
Best Departure Window
7:00 AM to 7:00 PM CDT
Leave when it suits your day
Arrive between
7:43 AM to 7:43 PM CDT

This is a short drive, so your comfort window is wide. Traffic and current weather matter more than the clock.

Leave by
7:04 PM CDT
Keeps a same-day return open with about 01h 30m at the destination.
Back in Dauphin Island
10:00 PM CDT
Flexible departure

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
Theodore
AL

Place in Alabama, USA

From Dauphin Island
18.1 mi
00h 21m
To Mobile
18.1 mi
00h 21m

Route Weather Snapshot

Check the forecast at both ends before you head out.

Origin
78°F
Tuesday

Sunny

Starts
Tue, May 12 6:00 AM CDT
Wind
5 to 10 mph E
Destination
85°F
Tuesday

Sunny

Starts
Tue, May 12 6:00 AM CDT
Wind
5 mph NE

Driving Route Map

The map below follows the saved road route between Dauphin Island and Mobile.

Turn-by-Turn Driving Directions

Step-by-step road directions between Dauphin Island and Mobile.

  1. 1

    Start on the route

    2 m · 4 sec

  2. 2

    Turn left

    12 m · 5 sec

  3. 3

    Turn right onto Cadillac Avenue

    839 ft · 39 sec · Cadillac Avenue

  4. 4

    Turn right onto Le Moyne Drive

    1.2 km · 1 min · Le Moyne Drive

  5. 5

    Continue on Gordon Persons Bridge

    3.4 mi · 5 min · Gordon Persons Bridge

  6. 6

    Continue on Dauphin Island Parkway

    13.7 mi · 19 min · Dauphin Island Parkway

  7. 7

    Turn left onto Laurendine Road

    1.2 km · 1 min · Laurendine Road

  8. 8

    Turn right onto West Range Line Road

    1.5 mi · 2 min · West Range Line Road

  9. 9

    Continue on Rangeline Road

    5.3 mi · 7 min · Rangeline Road

  10. 10

    Take the ramp slight right toward I 10 East: Mobile

    1 km · 1 min

  11. 11

    Merge slight left

    8.8 mi · 10 min

  12. 12

    Keep slight right to continue on Water Street, Downtown

    2795 ft · 1 min

  13. 13

    Continue on South Water Street

    1983 ft · 56 sec · South Water Street

  14. 14

    Take the exit slight left

    45 m · 8 sec

  15. 15

    Turn left onto Saint Louis Street

    1057 ft · 40 sec · Saint Louis Street

  16. 16

    Arrive at your destination

    0 m · 1 sec · Saint Louis Street

Car Route Details

A richer read on the saved driving route between Dauphin Island and Mobile.

OSRM road route
Drive Character

Highway-focused drive

Most of the mileage stays on named highways, so the important moments are ramps, exits, merges, and the final local approach.

Directions
16 steps
6 turns on the saved route
Ramps & Exits
3
1 merges, 2 ramps or exits
Navigation Density
44.2 / 100 mi
Decision points by distance
Main Roads
Dauphin Island Parkway
13.7 mi · 38%
I 10 East
9.42 mi · 26%
Rangeline Road
5.28 mi · 15%
Gordon Persons Bridge
3.37 mi · 9%
West Range Line Road
1.54 mi · 4%
Laurendine Road
0.76 mi · 2%
Longest Stretch

Dauphin Island Parkway

Continue on Dauphin Island Parkway

13.7 mi · 00h 19m

Route Summary

A quick read on whether this route feels easy, ambitious, or worth planning around.

Trip Read

A short regional drive

This route is short enough to handle as a quick errand, commute, or easy same-day return without much planning overhead.

Drive Time
00h 42m
Quick drive
Same-Day Return
01h 26m
Round-trip wheel time
Road vs Air
+5.6 mi
30.6 mi direct line
Halfway Stop
Theodore
00h 21m from Dauphin Island
Leave By
7:04 PM CDT
Flexible departure
Weather Watch

Sunny leaving Dauphin Island and Sunny near Mobile.

Trip Questions

Direct answers travelers usually want before committing to the drive.

How long does it take to drive from Dauphin Island to Mobile?

The road trip is about 36.2 miles (58.3 km) and usually takes 00h 42m in normal driving conditions.

Is this a same-day trip or an overnight route?

This route is short enough to handle as a quick errand, commute, or easy same-day return without much planning overhead.

What is the halfway point on this route?

Theodore is a useful midpoint, sitting about 18.1 miles from Dauphin Island and 18.1 miles from Mobile.

How much longer is the road route than the straight-line distance?

The direct path is about 30.6 miles (49.2 km), while the road route adds roughly 5.6 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 7:00 AM to 7:00 PM CDT. If you want a more comfortable same-day return, try to leave by 7:04 PM CDT.

How much will gas cost for this route?

Using about 28.3 MPG, regular gas is estimated at $4.85 one way or $9.69 round trip. Estimated CO2 is about 11.4 kg one way.

What should you check before leaving?

Before you leave, expect Sunny around Dauphin Island and Sunny near Mobile.

Stop Ideas Near Theodore

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

Mid-route Guidance
Local place coverage is thin around Theodore, 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 Theodore.

BUS

Mobile Bus Station

15 mi away
2545 Government Blvd.
BUS

Mt. Vernon, AL

66 mi away
20890 US Highway 43
BUS

Biloxi, MS

70 mi away
820 Martin Luther King Jr. Boulevard
BUS

Gulfport, MS

89 mi away
10015 US Highway 49

Flight Path Map

This map shows the direct air route between Dauphin Island and Mobile. Straight-line distance: 30.58 mi (49.22 km).

Dauphin Island

#1 Dauphin Island

Island and town in the U.

Population1,366
Coordinates30.2554800, -88.1097200
Altitude2
CountryUnited States
Mobile

#2 Mobile

The second most populous city in Alabama.

Population187,746
Coordinates30.6943600, -88.0430500
Altitude3
CountryUnited States
Start: (-88.109718, 30.255432)
End: Saint Louis Street (-88.043038, 30.694332)

Estimated Travel Time

Distance: 58 km by road

SpeedTime
30 mph (48.3 km/h)01h 12m
40 mph (64.37 km/h)00h 54m
50 mph (80.47 km/h)00h 43m
60 mph (96.56 km/h)00h 36m
70 mph (112.65 km/h)00h 31m
80 mph (129 km/h)00h 27m

Fuel, Round Trip and CO2

Estimated fuel cost and emissions for this route.

One-way fuel
1.28 gal
4.84 L · about $4.85
Round trip
$9.69
2.56 gal · 9.68 L
Estimated CO2
11.4 kg one way
Round trip: 22.8 kg / 50 lb CO2, using regular gasoline.
Fuel$/galOne wayRound trip
Regular gas $3.79 $4.85 $9.69
Mid-grade $4.26 $5.45 $10.90
Premium $4.63 $5.92 $11.84
Diesel $5.42 $6.93 $13.86

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

There is no time difference between Dauphin Island and Mobile. The current time is 21:33:30.

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.