How far is Decatur, AL from Troy, AL?

The driving distance from Decatur, AL to Troy, AL is about 218.5 miles (351.6 km), with a travel time of about 04h 15m by car.

  • The straight-line flight distance is about 201.9 miles (325 km).
  • For a round trip, plan for roughly 08h 30m of driving time before adding stops, traffic, or weather delays.
  • A comfortable departure window is usually 6:00 AM to 8:00 AM CDT.
Trip Tools

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.

Reverse Route
Quick Snapshot
Road
218.48 mi
04h 15m
Flight
201.95 mi
325 km direct

This drive is better planned with a longer stop or an overnight stay.

Learn Distance

Choose another destination from Decatur.

Flight Distance

Direct air line
201.95 mi
Kilometers
325 km
Flight Time
00h 24m

Driving Distance

Road route
218.48 mi
Kilometers
351.61 km
Drive Time
04h 15m

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 04h 15m.

Arrival Snapshot
Arrive in Troy
Tue, May 5, 1:05 PM CDT
Return by in Decatur
Tue, May 5, 5:20 PM CDT
Useful when you're deciding between a quick errand, a day trip, or a longer stop.
Leave Decatur
2026-05-05T08:49
Arrive Troy
Tue, May 5, 1:05 PM CDT
Route Timing
04h 15m
One way by road
Best Departure Window
6:00 AM to 8:00 AM CDT
Leave early for more breathing room
Arrive between
10:15 AM to 12:15 PM CDT

An early departure helps you fit a real stop into the day without turning the return into a late-night drive.

Leave by
8:30 AM CDT
Keeps a same-day return open with about 04h 00m at the destination.
Back in Decatur
9:00 PM CDT
Early departure recommended

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.

Mid-route stop
Calera
AL

City in Shelby County, Alabama, United States

From Decatur
109.4 mi
02h 07m
To Troy
109.1 mi
02h 07m

Route Weather Snapshot

Check the forecast at both ends before you head out.

Origin
80°F
Tuesday

Mostly Sunny

Starts
Tue, May 5 6:00 AM CDT
Wind
5 to 15 mph S
Destination
80°F
Tuesday

Mostly Sunny

Starts
Tue, May 5 6:00 AM CDT
Wind
0 to 10 mph S

Driving Route Map

The map below follows the saved road route between Decatur and Troy.

Turn-by-Turn Driving Directions

Step-by-step road directions between Decatur and Troy.

  1. 1

    Start on the route

    130 m · 37 sec

  2. 2

    At the end of the road, turn left onto Ferry Street Northeast

    50 m · 9 sec · Ferry Street Northeast

  3. 3

    Turn left onto Lee Street Northeast

    1583 ft · 53 sec · Lee Street Northeast

  4. 4

    At the end of the road, turn right onto 6th Avenue Northeast

    580 ft · 15 sec · 6th Avenue Northeast

  5. 5

    Continue on 6th Avenue Southeast

    3 mi · 6 min · 6th Avenue Southeast

  6. 6

    Turn left onto Point Mallard Parkway

    4.2 mi · 6 min · Point Mallard Parkway

  7. 7

    Take the ramp slight right toward I-65 South: Birmingham

    1944 ft · 47 sec

  8. 8

    Merge slight left

    67.1 mi · 1 hr 12 min

  9. 9

    Take the exit slight right toward I 22 West, US 31: Memphis, Fultondale

    2715 ft · 38 sec

  10. 10

    Keep slight left to continue on I 22 West: Memphis

    2666 ft · 38 sec

  11. 11

    Keep slight left to continue on Montgomery

    1940 ft · 28 sec

  12. 12

    Merge slight left

    93.2 mi · 1 hr 44 min

  13. 13

    Take the exit slight right toward I-85 North: Atlanta

    120 m · 10 sec

  14. 14

    Keep slight left to continue on I 85 North: Atlanta

    1040 ft · 25 sec

  15. 15

    Continue straight

    2.7 mi · 4 min

  16. 16

    Take the exit slight right toward Ann Street

    1275 ft · 35 sec

  17. 17

    Turn right onto Ann Street

    133 m · 9 sec · Ann Street

  18. 18

    Keep slight left to continue on Zelda Road

    1.1 mi · 2 min · Zelda Road

  19. 19

    Continue on Carter Hill Road

    1.1 mi · 2 min · Carter Hill Road

  20. 20

    Turn left onto McGehee Road

    1.4 mi · 3 min · McGehee Road

  21. 21

    Continue on Troy Highway

    34.7 mi · 41 min · Troy Highway

  22. 22

    Continue straight

    4.5 mi · 5 min

  23. 23

    Turn left onto Trojan Way

    1.5 mi · 3 min · Trojan Way

  24. 24

    Continue on Orion Street

    533 ft · 12 sec · Orion Street

  25. 25

    Turn left onto West Fairview Avenue

    972 ft · 21 sec · West Fairview Avenue

  26. 26

    Turn right onto North 3 Notch Street

    3173 ft · 59 sec · North 3 Notch Street

  27. 27

    Turn left onto East Walnut Street

    756 ft · 39 sec · East Walnut Street

  28. 28

    Turn left

    27 m · 6 sec

  29. 29

    Arrive at your destination

    0 m · 1 sec

Car Route Details

A richer read on the saved driving route between Decatur and Troy.

OSRM road route
Drive Character

Interchange-aware route

The drive includes several ramps, exits, or merges, so checking the next few maneuvers before busy interchanges is useful.

Directions
29 steps
11 turns on the saved route
Ramps & Exits
6
2 merges, 4 ramps or exits
Navigation Density
13.3 / 100 mi
Decision points by distance
Main Roads
Montgomery
93.5 mi · 43%
I-65 South
67.5 mi · 31%
Troy Highway
39.2 mi · 18%
Point Mallard Parkway
4.21 mi · 2%
6th Avenue Southeast
2.97 mi · 1%
I 85 North
2.93 mi · 1%
Longest Stretch

Montgomery

Merge slight left

93.2 mi · 01h 44m

Route Summary

A quick read on whether this route feels easy, ambitious, or worth planning around.

Trip Read

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.

Drive Time
04h 15m
Long day trip
Same-Day Return
08h 30m
Round-trip wheel time
Road vs Air
+16.6 mi
201.9 mi direct line
Halfway Stop
Calera
02h 07m from Decatur
Leave By
8:30 AM CDT
Early departure recommended
Weather Watch

Mostly Sunny leaving Decatur and Mostly Sunny near Troy.

Trip Questions

Direct answers travelers usually want before committing to the drive.

How long does it take to drive from Decatur to Troy?

The road trip is about 218.5 miles (351.6 km) and usually takes 04h 15m 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 109.4 miles from Decatur and 109.1 miles from Troy.

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 16.6 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 8:30 AM CDT.

How much will gas cost for this route?

Using about 28.3 MPG, regular gas is estimated at $29.20 one way or $58.40 round trip. Estimated CO2 is about 68.5 kg one way.

What should you check before leaving?

Before you leave, expect Mostly Sunny around Decatur and Mostly Sunny near Troy.

Stop Ideas Near Calera

Useful break, food, and waypoint ideas within about 15 miles of the route midpoint.

Mid-route Guidance
Local place coverage is thin around Calera, so nearby transit and meeting points are shown instead.
Reviewed stop coverage is still thin around this midpoint, so practical transit waypoints are shown on the right.

Transit and Meeting Points

Useful pickup, handoff, or rendezvous points close to Calera.

BUS

Brent, AL

42 mi away
10393 Alabama Highway 5
RAIL

Birmingham

46 mi away
1819 Morris Ave.
BUS

Marion, AL

74 mi away
26400 Alabama Highway 14
RAIL

Tuscaloosa

76 mi away
2105 Greensboro Ave

Flight Path Map

This map shows the direct air route between Decatur and Troy. Straight-line distance: 201.95 mi (325 km).

Decatur

#1 Decatur

The most populous city in Morgan County, Alabama.

Population54,381
Coordinates34.6059300, -86.9833400
Altitude171
CountryUnited States
Troy

#2 Troy

City in Pike County, Alabama, United States

Population18,762
Coordinates31.8087700, -85.9699500
Altitude165
CountryUnited States
Start: Decatur (-86.98334, 34.60593)
End: Troy (-85.96995, 31.80877)

Estimated Travel Time

Distance: 352 km by road

SpeedTime
30 mph (48.3 km/h)07h 16m
40 mph (64.37 km/h)05h 27m
50 mph (80.47 km/h)04h 22m
60 mph (96.56 km/h)03h 38m
70 mph (112.65 km/h)03h 07m
80 mph (129 km/h)02h 43m

Fuel, Round Trip and CO2

Estimated fuel cost and emissions for this route.

One-way fuel
7.71 gal
29.18 L · about $29.20
Round trip
$58.40
15.42 gal · 58.36 L
Estimated CO2
68.5 kg one way
Round trip: 137 kg / 302 lb CO2, using regular gasoline.
Fuel$/galOne wayRound trip
Regular gas $3.79 $29.20 $58.40
Mid-grade $4.26 $32.84 $65.67
Premium $4.63 $35.66 $71.32
Diesel $5.42 $41.75 $83.50

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

There is no time difference between Decatur and Troy. The current time is 08:49:47.

Distance to Other Cities

Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.

How did we calculate? Place names are translated into coordinates. The Haversine formula calculates straight-line distance; driving distance uses road network data.