Is there a bus to Decatur?

No, there is no public bus service between Madison and Decatur.

How long is the drive?

The drive takes about 30 minutes.

No, there are no toll roads on this route.

What is the best route?

I-565 West is the most direct route.

Yes, it is a very safe and short drive.

Madison

Decatur

Driving

Madison to Decatur

Updated: 28 May 2026

The distance between Madison and Decatur is a short 20-mile drive. You will primarily use I-565 West and AL-20 West to reach the city. The trip takes approximately 30 minutes, making it an easy commute or day trip. You will cross the Tennessee River as you enter Decatur. This route is very straightforward and rarely experiences major traffic delays.

Total Distance: 32 km driving distance; 28 km straight-line air distance.

Fastest Way

Driving is the fastest method, taking 30 minutes.

Cheapest Way

Driving your own vehicle is the only practical way to travel.

Compare Madison to Decatur Routes

Driving

Direct

Duration

30 minutes

Avg Price

$5 in fuel

Operator

Personal Vehicle

Route

I-565 West to AL-20 West.

The route is very simple; follow signs for Decatur.

Travel Tips

Traffic
Traffic is generally light, even during rush hour.
Parking
Downtown Decatur has ample free street parking.
River Views
The bridge crossing the Tennessee River offers great views of the water.
Dining
Decatur has a great selection of local BBQ restaurants.
Navigation
The route is well-marked with highway signs.

Safety Tips

Speed Limits
Watch for speed limit drops when entering city limits.
Bridge Safety
Be cautious on the bridge during high winds or icy conditions.
Vehicle Maintenance
Keep your car in good condition for daily commuting.
Emergency
Local police are highly responsive in both cities.