How far is Decatur, AL from Cullman, AL?
The driving distance from Decatur, AL to Cullman, AL is about 35.7 miles (57.4 km), with a travel time of about 00h 45m by car.
- The straight-line flight distance is about 30.8 miles (49.6 km).
- For a round trip, plan for roughly 01h 31m of driving time before adding stops, traffic, or weather delays.
- A comfortable departure window is usually 8:00 AM to 10:00 AM CDT.
Reverse, save, or send this route
This route works well as a day trip with time at the destination. Copy the route link, send it to another device, or print a clean version before you head out.
This route works well as a day trip with time at the destination.
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 45m.
A morning start gives you useful time at the destination and keeps the return out of the late evening.
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.
Town of the United States
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 Decatur and Cullman.
Turn-by-Turn Driving Directions
Step-by-step road directions between Decatur and Cullman.
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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 · 53 sec · Lee Street Northeast
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4
At the end of the road, turn right onto 6th Avenue Northeast
580 ft · 15 sec · 6th Avenue Northeast
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5
Continue on 6th Avenue Southeast
3 mi · 6 min · 6th Avenue Southeast
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6
Turn left onto Point Mallard Parkway
4.2 mi · 6 min · Point Mallard Parkway
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7
Take the ramp slight right toward I-65 South: Birmingham
1944 ft · 47 sec
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8
Merge slight left
25.5 mi · 27 min
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9
Take the exit slight right toward 278: Cullman, Double Springs
955 ft · 27 sec
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10
Turn left
1.9 mi · 3 min
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11
Turn right onto 2nd Avenue Southwest
15 m · 1 sec · 2nd Avenue Southwest
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12
Arrive at your destination
0 m · 1 sec · 2nd Avenue Southwest
Car Route Details
A richer read on the saved driving route between Decatur and Cullman.
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
25.5 mi · 00h 27m
Route Summary
A quick read on whether this route feels easy, ambitious, or worth planning around.
A comfortable day-trip route
This route works well as a day trip. You can leave in the morning, spend meaningful time at the destination, and still return the same day.
Sunny leaving Decatur and Sunny near Cullman.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Decatur to Cullman?
The road trip is about 35.7 miles (57.4 km) and usually takes 00h 45m in normal driving conditions.
Is this a same-day trip or an overnight route?
This route works well as a day trip. You can leave in the morning, spend meaningful time at the destination, and still return the same day.
What is the halfway point on this route?
Falkville is a useful midpoint, sitting about 17.8 miles from Decatur and 17.8 miles from Cullman.
How much longer is the road route than the straight-line distance?
The direct path is about 30.8 miles (49.6 km), while the road route adds roughly 4.9 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 8:00 AM to 10:00 AM CDT. If you want a more comfortable same-day return, try to leave by 4:58 PM CDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $4.77 one way or $9.54 round trip. Estimated CO2 is about 11.2 kg one way.
What should you check before leaving?
Before you leave, expect Sunny around Decatur and Sunny near Cullman.
Stop Ideas Near Falkville
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 Falkville.
Birmingham
Flight Path Map
This map shows the direct air route between Decatur and Cullman. Straight-line distance: 30.83 mi (49.62 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 Cullman
City in Cullman County, Alabama, United States
| Population | 16,564 |
| Coordinates | 34.1748200, -86.8436100 |
| Altitude | 242 |
| Country | United States |
End: Cullman (-86.84361, 34.17482)
Estimated Travel Time
Distance: 57 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 01h 11m |
| 40 mph (64.37 km/h) | 00h 53m |
| 50 mph (80.47 km/h) | 00h 42m |
| 60 mph (96.56 km/h) | 00h 35m |
| 70 mph (112.65 km/h) | 00h 30m |
| 80 mph (129 km/h) | 00h 26m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.79 | $4.77 | $9.54 |
| Mid-grade | $4.26 | $5.37 | $10.73 |
| Premium | $4.63 | $5.83 | $11.66 |
| Diesel | $5.42 | $6.82 | $13.65 |
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.