How far is Johnson, TN from Trenton, TN?
The driving distance from Johnson, TN to Trenton, TN is about 314.6 miles (506.3 km), with a travel time of about 06h 05m by car.
- The straight-line flight distance is about 246.2 miles (396.2 km).
- For a round trip, plan for roughly 12h 10m of driving time before adding stops, traffic, or weather delays.
- A comfortable departure window is usually 6:00 AM to 7:30 AM EDT.
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 06h 05m.
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.
Human settlement in Davidson County, Tennessee, United States of America
Route Weather Snapshot
Check the forecast at both ends before you head out.
Mostly Sunny
Showers And Thunderstorms Likely
Driving Route Map
The map below follows the saved road route between Johnson and Trenton.
Turn-by-Turn Driving Directions
Step-by-step road directions between Johnson and Trenton.
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1
Start on Raby Town Road
41 m · 6 sec · Raby Town Road
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2
Continue on Johnson Valley Road
2.5 mi · 10 min · Johnson Valley Road
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3
At the end of the road, turn left onto Sweetwater Road
3.6 mi · 6 min · Sweetwater Road
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4
At the end of the road, turn left onto Loudon Highway
5.4 mi · 8 min · Loudon Highway
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5
At the end of the road, turn right onto Decatur Highway
4.6 mi · 7 min · Decatur Highway
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6
Continue on South Kentucky Street
2.2 mi · 6 min · South Kentucky Street
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7
Turn left
1775 ft · 43 sec
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8
Merge slight left
139.1 mi · 2 hr 30 min
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9
Keep slight right to continue on I 24 West, I 40 West: Nashville
2.1 mi · 3 min
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10
Keep slight left to continue on I 40 West: Huntsville, Memphis
2263 ft · 43 sec
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11
Merge slight right onto Downtown Loop
1 km · 52 sec · Downtown Loop
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12
Continue on Downtown Loop
2.3 mi · 3 min · Downtown Loop
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13
Keep slight left to continue on I 40 West: Memphis
125.6 mi · 2 hr 16 min
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14
Take the exit slight right toward US 45: Trenton
1704 ft · 42 sec
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15
Turn right onto North Highland Avenue
4.4 mi · 8 min · North Highland Avenue
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16
Take the ramp slight right
9.8 mi · 13 min
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17
Turn right onto North Central Avenue
10.3 mi · 12 min · North Central Avenue
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18
Turn left onto East Eaton Street
3221 ft · 55 sec · East Eaton Street
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19
Continue on East Eaton Street
21 m · 1 sec · East Eaton Street
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20
Enter the roundabout and take exit 6 toward East Eaton Street
993 ft · 18 sec · East Eaton Street
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21
Exit the roundabout onto East Eaton Street
5 m · 1 sec · East Eaton Street
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22
Arrive at your destination
0 m · 1 sec · East Eaton Street
Car Route Details
A richer read on the saved driving route between Johnson and Trenton.
Long-distance drive
This route is long enough that fuel, rest stops, weather, and timing matter more than any single maneuver.
South Kentucky Street
Merge slight left
139 mi · 02h 30m
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 Johnson and Showers And Thunderstorms Likely near Trenton.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Johnson to Trenton?
The road trip is about 314.6 miles (506.3 km) and usually takes 06h 05m 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?
Berry Hill is a useful midpoint, sitting about 157.1 miles from Johnson and 157.5 miles from Trenton.
How much longer is the road route than the straight-line distance?
The direct path is about 246.2 miles (396.2 km), while the road route adds roughly 68.4 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 EDT. 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 $41.86 one way or $83.72 round trip. Estimated CO2 is about 98.6 kg one way.
Do you cross a time zone on this route?
Yes. There is about a 1 hour time difference between Johnson and Trenton, so arrival and return times should be read in local time.
What should you check before leaving?
Before you leave, expect Mostly Sunny around Johnson and Showers And Thunderstorms Likely near Trenton.
Stop Ideas Near Berry Hill
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 Berry Hill.
Nashville, TN
Clarksville, TN
Flight Path Map
This map shows the direct air route between Johnson and Trenton. Straight-line distance: 246.22 mi (396.25 km).
#1 Johnson
Johnson is a place in Tennessee, United States.
| Population | 0 |
| Coordinates | 35.6723000, -84.5624300 |
| Altitude | 273 |
| Country | United States |
#2 Trenton
City in Gibson County, Tennessee, United States
| Population | 4,147 |
| Coordinates | 35.9806200, -88.9414500 |
| Altitude | 101 |
| Country | United States |
End: Trenton (-88.94145, 35.98062)
Estimated Travel Time
Distance: 506 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 10h 28m |
| 40 mph (64.37 km/h) | 07h 51m |
| 50 mph (80.47 km/h) | 06h 17m |
| 60 mph (96.56 km/h) | 05h 14m |
| 70 mph (112.65 km/h) | 04h 29m |
| 80 mph (129 km/h) | 03h 55m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.77 | $41.86 | $83.72 |
| Mid-grade | $4.25 | $47.21 | $94.42 |
| Premium | $4.65 | $51.66 | $103.32 |
| Diesel | $5.30 | $58.87 | $117.75 |
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 · 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.