How far is Decatur, AL from Theodore, AL?
The driving distance from Decatur, AL to Theodore, AL is about 348.2 miles (560.4 km), with a travel time of about 06h 28m by car.
- The straight-line flight distance is about 288.9 miles (464.9 km).
- For a round trip, plan for roughly 12h 56m 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 28m.
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.
Mostly Sunny
Driving Route Map
The map below follows the saved road route between Decatur and Theodore.
Turn-by-Turn Driving Directions
Step-by-step road directions between Decatur and Theodore.
-
1
Start on the route
130 m · 37 sec
-
2
At the end of the road, turn left onto Ferry Street Northeast
50 m · 9 sec · Ferry Street Northeast
-
3
Turn left onto Lee Street Northeast
1583 ft · 53 sec · Lee Street Northeast
-
4
At the end of the road, turn right onto 6th Avenue Northeast
580 ft · 15 sec · 6th Avenue Northeast
-
5
Continue on 6th Avenue Southeast
3 mi · 6 min · 6th Avenue Southeast
-
6
Turn left onto Point Mallard Parkway
4.2 mi · 6 min · Point Mallard Parkway
-
7
Take the ramp slight right toward I-65 South: Birmingham
1944 ft · 47 sec
-
8
Merge slight left
67.1 mi · 1 hr 12 min
-
9
Take the exit slight right toward I 22 West, US 31: Memphis, Fultondale
2715 ft · 38 sec
-
10
Keep slight left to continue on I 22 West: Memphis
2666 ft · 38 sec
-
11
Keep slight left to continue on Montgomery
1940 ft · 28 sec
-
12
Merge slight left
263.9 mi · 4 hr 48 min
-
13
Keep slight right to continue on I 10 West: Mississippi
1.1 km · 56 sec
-
14
Merge slight left
3.9 mi · 5 min
-
15
Take the exit slight right toward US 90: Tillman's Corner
1723 ft · 37 sec
-
16
Turn straight onto Government Boulevard
51 m · 11 sec · Government Boulevard
-
17
Continue on Government Boulevard
2.7 mi · 5 min · Government Boulevard
-
18
Turn right
72 m · 17 sec
-
19
Arrive at your destination
0 m · 1 sec
Car Route Details
A richer read on the saved driving route between Decatur and Theodore.
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 Decatur and Mostly Sunny near Theodore.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Decatur to Theodore?
The road trip is about 348.2 miles (560.4 km) and usually takes 06h 28m 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 174.3 miles from Decatur and 173.9 miles from Theodore.
How much longer is the road route than the straight-line distance?
The direct path is about 288.9 miles (464.9 km), while the road route adds roughly 59.3 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 $46.54 one way or $93.08 round trip. Estimated CO2 is about 109.2 kg one way.
What should you check before leaving?
Before you leave, expect Sunny around Decatur and Mostly Sunny near Theodore.
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 Decatur and Theodore. Straight-line distance: 288.85 mi (464.86 km).
#1 Decatur
The most populous city in Morgan County, Alabama.
| Population | 54,381 |
| Coordinates | 34.6059300, -86.9833400 |
| Altitude | 171 |
| Country | United States |
#2 Theodore
Place in Alabama, USA
| Population | 6,130 |
| Coordinates | 30.5476900, -88.1752800 |
| Altitude | 18 |
| Country | United States |
End: Theodore (-88.17528, 30.54769)
Estimated Travel Time
Distance: 560 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 11h 36m |
| 40 mph (64.37 km/h) | 08h 42m |
| 50 mph (80.47 km/h) | 06h 57m |
| 60 mph (96.56 km/h) | 05h 48m |
| 70 mph (112.65 km/h) | 04h 58m |
| 80 mph (129 km/h) | 04h 20m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.79 | $46.54 | $93.08 |
| Mid-grade | $4.26 | $52.34 | $104.69 |
| Premium | $4.63 | $56.84 | $113.68 |
| Diesel | $5.42 | $66.55 | $133.10 |
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 · Apr 23, 2026
Distance to Other Cities
Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.