How far is Decatur, AL from Rainbow, AL?
The driving distance from Decatur, AL to Rainbow, AL is about 21.2 miles (34.1 km), with a travel time of about 00h 31m by car.
- The straight-line flight distance is about 17.3 miles (27.9 km).
- For a round trip, plan for roughly 01h 03m 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 31m.
This is a short drive, so your comfort window is wide. Traffic and current weather matter more than the clock.
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 in Limestone County, Alabama, United States
Route Weather Snapshot
Check the forecast at both ends before you head out.
Driving Route Map
The map below follows the saved road route between Decatur and Rainbow.
Turn-by-Turn Driving Directions
Step-by-step road directions between Decatur and Rainbow.
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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
8.8 mi · 10 min
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7
Take the exit slight right toward Madison Boulevard, Wall-Triana Highway
1397 ft · 27 sec
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8
Keep slight left to continue on Madison
142 m · 9 sec
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9
Turn straight onto Wall Triana Highway
1393 ft · 28 sec · Wall Triana Highway
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10
Continue on Sullivan Street
2.1 mi · 4 min · Sullivan Street
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11
Continue on Wall Triana Highway
3.1 mi · 6 min · Wall Triana Highway
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12
Turn right
1.2 km · 1 min
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13
Turn right onto Rainbow Circle
826 ft · 42 sec · Rainbow Circle
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14
Turn left onto Forrest Drive
36 m · 5 sec · Forrest Drive
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15
Arrive at your destination
0 m · 1 sec · Forrest Drive
Car Route Details
A richer read on the saved driving route between Decatur and Rainbow.
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
8.85 mi · 00h 10m
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.
Sunny leaving Decatur and Sunny near Rainbow.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Decatur to Rainbow?
The road trip is about 21.2 miles (34.1 km) and usually takes 00h 31m 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?
Mooresville is a useful midpoint, sitting about 10.6 miles from Decatur and 10.6 miles from Rainbow.
How much longer is the road route than the straight-line distance?
The direct path is about 17.3 miles (27.9 km), while the road route adds roughly 3.9 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 7:00 AM to 7:00 PM CDT. If you want a more comfortable same-day return, try to leave by 7:26 PM CDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $2.97 one way or $5.93 round trip. Estimated CO2 is about 6.7 kg one way.
What should you check before leaving?
Before you leave, expect Sunny around Decatur and Sunny near Rainbow.
Flight Path Map
This map shows the direct air route between Decatur and Rainbow. Straight-line distance: 17.31 mi (27.85 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 Rainbow
Rainbow is a place in Alabama, United States.
| Population | 0 |
| Coordinates | 34.7525900, -86.7363900 |
| Altitude | 239 |
| Country | United States |
End: Rainbow (-86.73639, 34.75259)
Estimated Travel Time
Distance: 34 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 00h 42m |
| 40 mph (64.37 km/h) | 00h 31m |
| 50 mph (80.47 km/h) | 00h 25m |
| 60 mph (96.56 km/h) | 00h 21m |
| 70 mph (112.65 km/h) | 00h 18m |
| 80 mph (129 km/h) | 00h 15m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.95 | $2.97 | $5.93 |
| Mid-grade | $4.43 | $3.32 | $6.64 |
| Premium | $4.84 | $3.63 | $7.25 |
| Diesel | $5.93 | $4.45 | $8.90 |
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 · Oct 15, 2026