How far is Memphis, TN from Decatur, TN?
The driving distance from Memphis, TN to Decatur, TN is about 367.7 miles (591.7 km), with a travel time of about 07h 04m by car.
- The straight-line flight distance is about 297.5 miles (478.7 km).
- For a round trip, plan for roughly 14h 09m of driving time before adding stops, traffic, or weather delays.
- A comfortable departure window is usually 6:00 AM to 7:30 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 07h 04m.
Starting early still helps, but most travelers will want a longer stop or an overnight stay on a route this long.
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.
City in Dickson County, Tennessee, United States of America
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 Memphis and Decatur.
Turn-by-Turn Driving Directions
Step-by-step road directions between Memphis and Decatur.
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1
Start on Poplar Avenue
58 m · 11 sec · Poplar Avenue
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2
Turn left onto North B. B. King Boulevard
1162 ft · 34 sec · North B. B. King Boulevard
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3
Take the ramp right toward I 40 East
553 ft · 14 sec
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4
Merge slight left
12 mi · 15 min
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5
Keep slight left to continue on I 40 East: Nashville, Knoxville
197.9 mi · 3 hr 34 min
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6
Keep slight right to continue on I 40 East, I 65 South: Knoxville, Huntsville
1305 ft · 25 sec
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7
Merge slight left onto Downtown Loop
2.4 mi · 3 min · Downtown Loop
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8
Continue on Downtown Loop
2764 ft · 43 sec · Downtown Loop
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9
Keep slight right to continue on I 40 East, I 24 East: Knoxville, Chattanooga
106.7 mi · 1 hr 56 min
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10
Take the exit slight right toward US 127, TN 28: Crossville, Jamestown
1387 ft · 34 sec
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11
Turn straight onto North Main Street
7.6 mi · 12 min · North Main Street
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12
Continue straight
20.1 mi · 30 min
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13
Continue on Herb M Wassom Mem Highway
635 ft · 13 sec · Herb M Wassom Mem Highway
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14
Continue on Piccadilly Avenue
2655 ft · 55 sec · Piccadilly Avenue
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15
Continue on New Lake Road
3.4 mi · 6 min · New Lake Road
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16
At the end of the road, turn left onto Watts Bar Highway
6.7 mi · 9 min · Watts Bar Highway
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17
Turn right onto River Road
8.7 mi · 15 min · River Road
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18
At the end of the road, turn right onto Highway 58
1196 ft · 20 sec · Highway 58
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19
Arrive at your destination
0 m · 1 sec · Highway 58
Car Route Details
A richer read on the saved driving route between Memphis and Decatur.
Long-distance drive
This route is long enough that fuel, rest stops, weather, and timing matter more than any single maneuver.
I 40 East
Keep slight left to continue on I 40 East: Nashville, Knoxville
198 mi · 03h 34m
Route Summary
A quick read on whether this route feels easy, ambitious, or worth planning around.
Better with a longer stop
This route is long enough that most travelers will be better off planning an overnight stay or a more deliberate stop window.
Mostly Sunny leaving Memphis and Sunny near Decatur.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Memphis to Decatur?
The road trip is about 367.7 miles (591.7 km) and usually takes 07h 04m in normal driving conditions.
Is this a same-day trip or an overnight route?
This route is long enough that most travelers will be better off planning an overnight stay or a more deliberate stop window.
What is the halfway point on this route?
White Bluff is a useful midpoint, sitting about 183.6 miles from Memphis and 184.1 miles from Decatur.
How much longer is the road route than the straight-line distance?
The direct path is about 297.5 miles (478.7 km), while the road route adds roughly 70.2 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 7:30 AM CDT. Starting early still helps, but most travelers will want a longer stop or an overnight stay on a route this long.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $48.91 one way or $97.82 round trip. Estimated CO2 is about 115.3 kg one way.
Do you cross a time zone on this route?
Yes. There is about a 1 hour time difference between Memphis and Decatur, so arrival and return times should be read in local time.
What should you check before leaving?
Before you leave, expect Mostly Sunny around Memphis and Sunny near Decatur.
Stop Ideas Near White Bluff
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 White Bluff.
Nashville, TN
Clarksville, TN
Flight Path Map
This map shows the direct air route between Memphis and Decatur. Straight-line distance: 297.46 mi (478.71 km).
#1 Memphis
The twenty-ninth most populous city in the United States and the center of the Memphis metropolitan area.
| Population | 649,705 |
| Coordinates | 35.1495300, -90.0489800 |
| Altitude | 78 |
| Country | United States |
#2 Decatur
Human settlement in Meigs County, Tennessee, United States of America
| Population | 1,663 |
| Coordinates | 35.5147900, -84.7902200 |
| Altitude | 237 |
| Country | United States |
End: Decatur (-84.79022, 35.51479)
Estimated Travel Time
Distance: 592 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 12h 15m |
| 40 mph (64.37 km/h) | 09h 11m |
| 50 mph (80.47 km/h) | 07h 21m |
| 60 mph (96.56 km/h) | 06h 07m |
| 70 mph (112.65 km/h) | 05h 15m |
| 80 mph (129 km/h) | 04h 35m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.77 | $48.91 | $97.82 |
| Mid-grade | $4.25 | $55.16 | $110.32 |
| Premium | $4.65 | $60.36 | $120.72 |
| Diesel | $5.30 | $68.79 | $137.59 |
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 Tennessee · 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.