How far is Decatur, AL from Huntsville, AL?
The driving distance from Decatur, AL to Huntsville, AL is about 25.7 miles (41.3 km), with a travel time of about 00h 27m by car.
- The straight-line flight distance is about 24.2 miles (38.9 km).
- For a round trip, plan for roughly 00h 55m of driving time before adding stops, traffic, or weather delays.
- A comfortable departure window is usually 7:00 AM to 7:00 PM CDT.
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.
This is an easy same-day return drive.
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 00h 27m.
This is a short drive, so your comfort window is wide. Traffic and current weather matter more than the clock.
This departure sits inside the recommended comfort window for the route.
Halfway Point
A useful midpoint for breaks, coffee, or meeting in the middle.
The most populous city in Madison County, Alabama.
Route Weather Snapshot
Check the forecast at both ends before you head out.
Showers And Thunderstorms
Showers And Thunderstorms
Driving Route Map
The map below follows the saved road route between Decatur and Huntsville.
Turn-by-Turn Driving Directions
Step-by-step road directions between Decatur and Huntsville.
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1
Start on the route
130 m · 37 sec
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2
At the end of the road, turn left onto Ferry Street Northeast
50 m · 9 sec · Ferry Street Northeast
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3
Turn left onto Lee Street Northeast
1583 ft · 57 sec · Lee Street Northeast
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4
At the end of the road, turn left onto 6th Avenue Northeast
2.2 mi · 3 min · 6th Avenue Northeast
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5
Continue on Huntsville-Decatur Highway
3 mi · 4 min · Huntsville-Decatur Highway
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6
Continue straight
19.3 mi · 21 min
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7
Take the exit slight right toward Wasthington Street, Jefferson Street, Downtown
985 ft · 24 sec
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8
Continue on Wasthington Street, Jefferson Street, Downtown
120 m · 10 sec
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9
Keep slight right to continue on Jefferson Street, Downtown
104 m · 8 sec
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10
Turn straight onto Jefferson Street North
2688 ft · 1 min · Jefferson Street North
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11
Turn right onto Spring Street Southwest
1 m · 1 sec · Spring Street Southwest
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12
Arrive at your destination
0 m · 1 sec · Spring Street Southwest
Car Route Details
A richer read on the saved driving route between Decatur and Huntsville.
Turn-heavy local drive
The route has frequent decision points for its length, so lane choice and turn timing will matter more than cruising speed.
Huntsville-Decatur Highway
Continue straight
19.3 mi · 00h 21m
Route Summary
A quick read on whether this route feels easy, ambitious, or worth planning around.
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.
Showers And Thunderstorms leaving Decatur and Showers And Thunderstorms near Huntsville.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Decatur to Huntsville?
The road trip is about 25.7 miles (41.3 km) and usually takes 00h 27m 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?
Madison is a useful midpoint, sitting about 12.9 miles from Decatur and 12.8 miles from Huntsville.
How much longer is the road route than the straight-line distance?
The direct path is about 24.2 miles (38.9 km), while the road route adds roughly 1.5 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 7:34 PM CDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $3.45 one way or $6.89 round trip. Estimated CO2 is about 8.1 kg one way.
What should you check before leaving?
Before you leave, expect Showers And Thunderstorms around Decatur and Showers And Thunderstorms near Huntsville.
Flight Path Map
This map shows the direct air route between Decatur and Huntsville. Straight-line distance: 24.17 mi (38.89 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 Huntsville
The second most populous city in Alabama.
| Population | 202,964 |
| Coordinates | 34.7304000, -86.5859400 |
| Altitude | 193 |
| Country | United States |
End: Jefferson Street South (-86.585936, 34.730413)
Estimated Travel Time
Distance: 41 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 00h 51m |
| 40 mph (64.37 km/h) | 00h 38m |
| 50 mph (80.47 km/h) | 00h 30m |
| 60 mph (96.56 km/h) | 00h 25m |
| 70 mph (112.65 km/h) | 00h 21m |
| 80 mph (129 km/h) | 00h 19m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.79 | $3.45 | $6.89 |
| Mid-grade | $4.26 | $3.88 | $7.75 |
| Premium | $4.63 | $4.21 | $8.42 |
| Diesel | $5.42 | $4.93 | $9.86 |
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 06, 2026
Distance to Other Cities
Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.