How far is Troy, AL from Decatur, AL?
The driving distance from Troy, AL to Decatur, AL is about 227.6 miles (366.3 km), with a travel time of about 03h 27m by car.
- The straight-line flight distance is about 201.9 miles (325 km).
- For a round trip, plan for roughly 06h 54m of driving time before adding stops, traffic, or weather delays.
- A comfortable departure window is usually 6:00 AM to 8:00 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 03h 27m.
An early departure helps you fit a real stop into the day without turning the return into a late-night drive.
This departure sits inside the recommended comfort window for the route.
Halfway Point
A useful midpoint for breaks, coffee, or meeting in the middle.
City in Shelby County, Alabama, United States
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 Troy and Decatur.
Turn-by-Turn Driving Directions
Step-by-step road directions between Troy and Decatur.
-
1
Start on the route
27 m · 9 sec
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2
Turn right onto East Walnut Street
756 ft · 35 sec · East Walnut Street
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3
Turn right onto North 3 Notch Street
3173 ft · 59 sec · North 3 Notch Street
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4
Turn left onto West Fairview Avenue
972 ft · 20 sec · West Fairview Avenue
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5
Turn right onto Orion Street
533 ft · 11 sec · Orion Street
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6
Turn straight onto Trojan Way
1.5 mi · 3 min · Trojan Way
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7
Turn right
3.1 mi · 4 min
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8
Continue straight
36.1 mi · 43 min
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9
Continue on McGehee Road
1.5 mi · 3 min · McGehee Road
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10
Turn right onto Carter Hill Road
1.1 mi · 2 min · Carter Hill Road
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11
Continue on Zelda Road
1.1 mi · 2 min · Zelda Road
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12
Turn right onto Ann Street
911 ft · 27 sec · Ann Street
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13
Turn left onto Ann Street South
1322 ft · 32 sec
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14
Merge slight left
2.5 mi · 3 min
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15
Keep slight right to continue on I-65 North: Birmingham
1759 ft · 43 sec
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16
Merge slight left
161.4 mi · 2 hr 57 min
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17
Take the exit slight right toward 67: Decatur, Priceville, Somerville
2021 ft · 51 sec
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18
Turn left onto Point Mallard Parkway Southeast
4.5 mi · 7 min · Point Mallard Parkway Southeast
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19
Turn right onto 6th Avenue Southeast
3 mi · 6 min · 6th Avenue Southeast
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20
Continue on 6th Avenue Northeast
580 ft · 15 sec · 6th Avenue Northeast
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21
Turn left onto Lee Street Northeast
1085 ft · 38 sec · Lee Street Northeast
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22
Turn right
25 m · 6 sec
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23
Arrive at your destination
0 m · 1 sec
Car Route Details
A richer read on the saved driving route between Troy and Decatur.
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 North
Merge slight left
161 mi · 02h 57m
Route Summary
A quick read on whether this route feels easy, ambitious, or worth planning around.
A longer out-and-back drive
This is still possible in one day, but it becomes a long driving day. Leaving early and planning your stop window matters more here.
Mostly Sunny leaving Troy and Mostly Sunny near Decatur.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Troy to Decatur?
The road trip is about 227.6 miles (366.3 km) and usually takes 03h 27m in normal driving conditions.
Is this a same-day trip or an overnight route?
This is still possible in one day, but it becomes a long driving day. Leaving early and planning your stop window matters more here.
What is the halfway point on this route?
Calera is a useful midpoint, sitting about 109.3 miles from Troy and 118.3 miles from Decatur.
How much longer is the road route than the straight-line distance?
The direct path is about 201.9 miles (325 km), while the road route adds roughly 25.7 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 8:00 AM CDT. If you want a more comfortable same-day return, try to leave by 10:06 AM CDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $30.41 one way or $60.82 round trip. Estimated CO2 is about 71.4 kg one way.
What should you check before leaving?
Before you leave, expect Mostly Sunny around Troy and Mostly Sunny near Decatur.
Stop Ideas Near Calera
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 Calera.
Brent, AL
Birmingham
Marion, AL
Tuscaloosa
Flight Path Map
This map shows the direct air route between Troy and Decatur. Straight-line distance: 201.95 mi (325 km).
#1 Troy
City in Pike County, Alabama, United States
| Population | 18,762 |
| Coordinates | 31.8087700, -85.9699500 |
| Altitude | 165 |
| Country | United States |
#2 Decatur
The most populous city in Morgan County, Alabama.
| Population | 54,381 |
| Coordinates | 34.6059300, -86.9833400 |
| Altitude | 171 |
| Country | United States |
End: (-86.983514, 34.605804)
Estimated Travel Time
Distance: 366 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 07h 35m |
| 40 mph (64.37 km/h) | 05h 41m |
| 50 mph (80.47 km/h) | 04h 33m |
| 60 mph (96.56 km/h) | 03h 47m |
| 70 mph (112.65 km/h) | 03h 15m |
| 80 mph (129 km/h) | 02h 50m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.79 | $30.41 | $60.82 |
| Mid-grade | $4.26 | $34.20 | $68.40 |
| Premium | $4.63 | $37.14 | $74.28 |
| Diesel | $5.42 | $43.48 | $86.96 |
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 05, 2026
Distance to Other Cities
Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.