How far is Johnson, TN from Smithville, TN?
The driving distance from Johnson, TN to Smithville, TN is about 110.8 miles (178.3 km), with a travel time of about 02h 23m by car.
- The straight-line flight distance is about 72.9 miles (117.3 km).
- For a round trip, plan for roughly 04h 47m of driving time before adding stops, traffic, or weather delays.
- A comfortable departure window is usually 8:00 AM to 10:00 AM EDT.
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 02h 23m.
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.
City in and county seat of Cumberland County, Tennessee, United States
Route Weather Snapshot
Check the forecast at both ends before you head out.
Sunny
Driving Route Map
The map below follows the saved road route between Johnson and Smithville.
Turn-by-Turn Driving Directions
Step-by-step road directions between Johnson and Smithville.
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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
78.8 mi · 1 hr 25 min
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9
Take the exit slight right toward TN 56 South: Smithville, McMinnville
1107 ft · 33 sec
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10
Turn left onto Smithville Highway
3267 ft · 55 sec · Smithville Highway
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11
Continue on Cookeville Highway
11.7 mi · 17 min · Cookeville Highway
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12
Continue on Congress Boulevard
2758 ft · 48 sec · Congress Boulevard
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13
Turn right onto East Walnut Street
1137 ft · 55 sec · East Walnut Street
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14
Turn left onto North College Street
91 m · 18 sec · North College Street
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15
Turn left onto West Market Street
61 m · 9 sec · West Market Street
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16
Arrive at your destination
0 m · 1 sec · West Market Street
Car Route Details
A richer read on the saved driving route between Johnson and Smithville.
Straightforward drive
The saved road route has a manageable number of maneuvers and should be easy to follow with normal attention to signs.
South Kentucky Street
Merge slight left
78.8 mi · 01h 25m
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.
Sunny leaving Johnson and Sunny near Smithville.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Johnson to Smithville?
The road trip is about 110.8 miles (178.3 km) and usually takes 02h 23m 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?
Crossville is a useful midpoint, sitting about 55.4 miles from Johnson and 55.4 miles from Smithville.
How much longer is the road route than the straight-line distance?
The direct path is about 72.9 miles (117.3 km), while the road route adds roughly 37.9 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 EDT. If you want a more comfortable same-day return, try to leave by 1:42 PM EDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $14.74 one way or $29.49 round trip. Estimated CO2 is about 34.7 kg one way.
Do you cross a time zone on this route?
Yes. There is about a 1 hour time difference between Johnson and Smithville, so arrival and return times should be read in local time.
What should you check before leaving?
Before you leave, expect Sunny around Johnson and Sunny near Smithville.
Flight Path Map
This map shows the direct air route between Johnson and Smithville. Straight-line distance: 72.91 mi (117.33 km).
#1 Johnson
Johnson is a place in Tennessee, United States.
| Population | 0 |
| Coordinates | 35.6723000, -84.5624300 |
| Altitude | 273 |
| Country | United States |
#2 Smithville
City in Tennessee
| Population | 4,978 |
| Coordinates | 35.9606200, -85.8141500 |
| Altitude | 316 |
| Country | United States |
End: Smithville (-85.81415, 35.96062)
Estimated Travel Time
Distance: 178 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 03h 41m |
| 40 mph (64.37 km/h) | 02h 46m |
| 50 mph (80.47 km/h) | 02h 12m |
| 60 mph (96.56 km/h) | 01h 50m |
| 70 mph (112.65 km/h) | 01h 34m |
| 80 mph (129 km/h) | 01h 22m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.77 | $14.74 | $29.49 |
| Mid-grade | $4.25 | $16.63 | $33.26 |
| Premium | $4.65 | $18.20 | $36.39 |
| Diesel | $5.30 | $20.74 | $41.48 |
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.