How far is Sylvania, AL from Decatur, AL?
The driving distance from Sylvania, AL to Decatur, AL is about 82.2 miles (132.3 km), with a travel time of about 01h 25m by car.
- The straight-line flight distance is about 66.7 miles (107.3 km).
- For a round trip, plan for roughly 02h 51m 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 01h 25m.
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.
Route Weather Snapshot
Check the forecast at both ends before you head out.
Mostly Sunny
Sunny
Driving Route Map
The map below follows the saved road route between Sylvania and Decatur.
Turn-by-Turn Driving Directions
Step-by-step road directions between Sylvania and Decatur.
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1
Start on County Road 27
2.9 mi · 7 min · County Road 27
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2
Continue on County Road 59
3.8 mi · 9 min · County Road 59
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3
Turn right
1347 ft · 29 sec
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4
Turn left onto County Road 383
2479 ft · 2 min · County Road 383
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5
Turn left
5.9 mi · 8 min
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6
Turn slight right
63 m · 7 sec
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7
Turn straight onto Veterans Drive
3.3 mi · 5 min · Veterans Drive
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8
Turn left onto US 72, AL 279
1145 ft · 34 sec
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9
Merge slight left onto John T Reid Parkway
59.3 mi · 1 hr 8 min · John T Reid Parkway
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10
Continue straight
624 ft · 9 sec
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11
Continue on Huntsville-Decatur Highway
3.5 mi · 4 min · Huntsville-Decatur Highway
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12
Continue on Bee Line Highway
1.6 mi · 2 min · Bee Line Highway
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13
Keep slight left to continue on 6th Avenue Northeast
1980 ft · 50 sec · 6th Avenue Northeast
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14
Turn right onto Lee Street Northeast
1040 ft · 32 sec · Lee Street Northeast
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15
Turn right
25 m · 6 sec
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16
Arrive at your destination
0 m · 1 sec
Car Route Details
A richer read on the saved driving route between Sylvania 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.
John T Reid Parkway
Merge slight left onto John T Reid Parkway
59.3 mi · 01h 08m
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.
Mostly Sunny leaving Sylvania and Sunny near Decatur.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Sylvania to Decatur?
The road trip is about 82.2 miles (132.3 km) and usually takes 01h 25m 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?
Paint Rock is a useful midpoint, sitting about 41.1 miles from Sylvania and 41.1 miles from Decatur.
How much longer is the road route than the straight-line distance?
The direct path is about 66.7 miles (107.3 km), while the road route adds roughly 15.5 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 3:38 PM CDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $10.98 one way or $21.96 round trip. Estimated CO2 is about 25.8 kg one way.
What should you check before leaving?
Before you leave, expect Mostly Sunny around Sylvania and Sunny near Decatur.
Flight Path Map
This map shows the direct air route between Sylvania and Decatur. Straight-line distance: 66.67 mi (107.3 km).
#1 Sylvania
City in DeKalb County, Alabama, United States of America
| Population | 1,860 |
| Coordinates | 34.5623100, -85.8124700 |
| Altitude | 423 |
| 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: 132 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 02h 44m |
| 40 mph (64.37 km/h) | 02h 03m |
| 50 mph (80.47 km/h) | 01h 38m |
| 60 mph (96.56 km/h) | 01h 22m |
| 70 mph (112.65 km/h) | 01h 10m |
| 80 mph (129 km/h) | 01h 01m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.79 | $10.98 | $21.96 |
| Mid-grade | $4.26 | $12.35 | $24.70 |
| Premium | $4.63 | $13.41 | $26.83 |
| Diesel | $5.42 | $15.70 | $31.41 |
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 18, 2026
Distance to Other Cities
Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.