How far is Knoxville, TN from Smithville, TN?

The driving distance from Knoxville, TN to Smithville, TN is about 127.9 miles (205.9 km), with a travel time of about 02h 27m by car.

  • The straight-line flight distance is about 105.9 miles (170.4 km).
  • For a round trip, plan for roughly 04h 54m of driving time before adding stops, traffic, or weather delays.
  • A comfortable departure window is usually 8:00 AM to 10:00 AM EDT.
Trip Tools

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.

Reverse Route
Quick Snapshot
Road
127.95 mi
02h 27m
Flight
105.89 mi
170.41 km direct

This route works well as a day trip with time at the destination.

Learn Distance

Choose another destination from Knoxville.

Flight Distance

Direct air line
105.89 mi
Kilometers
170.41 km
Flight Time
00h 12m

Driving Distance

Road route
127.95 mi
Kilometers
205.91 km
Drive Time
02h 27m

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 27m.

Arrival Snapshot
Arrive in Smithville
Thu, Apr 23, 12:20 AM CDT
Return by in Knoxville
Thu, Apr 23, 3:48 AM EDT
Useful when you're deciding between a quick errand, a day trip, or a longer stop.
Leave Knoxville
2026-04-22T22:53
Arrive Smithville
Thu, Apr 23, 1:20 AM EDT
Route Timing
02h 27m
One way by road
Best Departure Window
8:00 AM to 10:00 AM EDT
Aim for a morning departure
Arrive between
9:27 AM to 11:27 AM CDT

A morning start gives you useful time at the destination and keeps the return out of the late evening.

Leave by
1:36 PM EDT
Keeps a same-day return open with about 03h 00m at the destination.
Back in Knoxville
9:30 PM EDT
Morning start is best

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
Crossville
TN

City in and county seat of Cumberland County, Tennessee, United States

From Knoxville
63.9 mi
01h 13m
To Smithville
64.1 mi
01h 13m

Route Weather Snapshot

Check the forecast at both ends before you head out.

Origin
79°F
Wednesday

Sunny

Starts
Wed, Apr 22 6:00 AM EDT
Wind
5 to 10 mph SW
Destination
78°F
Wednesday

Sunny

Starts
Wed, Apr 22 6:00 AM CDT
Wind
5 to 10 mph WSW

Driving Route Map

The map below follows the saved road route between Knoxville and Smithville.

Turn-by-Turn Driving Directions

Step-by-step road directions between Knoxville and Smithville.

  1. 1

    Start on Henley Street

    1056 ft · 20 sec · Henley Street

  2. 2

    Continue on Henley Street

    727 ft · 14 sec · Henley Street

  3. 3

    Turn slight left onto Western Avenue

    1.1 km · 1 min · Western Avenue

  4. 4

    Turn left onto Ailor Avenue

    2326 ft · 43 sec · Ailor Avenue

  5. 5

    Take the ramp straight toward I 40 West, I 75 South

    1637 ft · 40 sec

  6. 6

    Merge slight left

    18.3 mi · 21 min

  7. 7

    Keep slight right to continue on Nashville

    94.5 mi · 1 hr 42 min

  8. 8

    Take the exit slight right toward TN 56 South: Smithville, McMinnville

    1107 ft · 33 sec

  9. 9

    Turn left onto Smithville Highway

    3267 ft · 55 sec · Smithville Highway

  10. 10

    Continue on Cookeville Highway

    11.7 mi · 17 min · Cookeville Highway

  11. 11

    Continue on Congress Boulevard

    2758 ft · 48 sec · Congress Boulevard

  12. 12

    Turn right onto East Walnut Street

    1137 ft · 55 sec · East Walnut Street

  13. 13

    Turn left onto North College Street

    91 m · 18 sec · North College Street

  14. 14

    Turn left onto West Market Street

    61 m · 9 sec · West Market Street

  15. 15

    Arrive at your destination

    0 m · 1 sec · West Market Street

Car Route Details

A richer read on the saved driving route between Knoxville and Smithville.

OSRM road route
Drive Character

Straightforward drive

The saved road route has a manageable number of maneuvers and should be easy to follow with normal attention to signs.

Directions
15 steps
6 turns on the saved route
Ramps & Exits
3
1 merges, 2 ramps or exits
Navigation Density
11.7 / 100 mi
Decision points by distance
Main Roads
Nashville
94.5 mi · 74%
I 40 West
18.6 mi · 15%
Cookeville Highway
11.7 mi · 9%
Western Avenue
0.68 mi · 1%
Smithville Highway
0.62 mi
Congress Boulevard
0.52 mi
Longest Stretch

Nashville

Keep slight right to continue on Nashville

94.5 mi · 01h 42m

Route Summary

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

Trip Read

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.

Drive Time
02h 27m
Day trip friendly
Same-Day Return
04h 54m
Round-trip wheel time
Road vs Air
+22 mi
105.9 mi direct line
Halfway Stop
Crossville
01h 13m from Knoxville
Leave By
1:36 PM EDT
Morning start is best
Weather Watch

Sunny leaving Knoxville and Sunny near Smithville.

Trip Questions

Direct answers travelers usually want before committing to the drive.

How long does it take to drive from Knoxville to Smithville?

The road trip is about 127.9 miles (205.9 km) and usually takes 02h 27m 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 63.9 miles from Knoxville and 64.1 miles from Smithville.

How much longer is the road route than the straight-line distance?

The direct path is about 105.9 miles (170.4 km), while the road route adds roughly 22 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 1:36 PM EDT.

How much will gas cost for this route?

Using about 28.3 MPG, regular gas is estimated at $17.01 one way or $34.01 round trip. Estimated CO2 is about 40.1 kg one way.

Do you cross a time zone on this route?

Yes. There is about a 1 hour time difference between Knoxville 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 Knoxville and Sunny near Smithville.

Flight Path Map

This map shows the direct air route between Knoxville and Smithville. Straight-line distance: 105.89 mi (170.41 km).

Knoxville

#1 Knoxville

The most populous city in Tennessee.

Population190,223
Coordinates35.9606400, -83.9207400
Altitude276
CountryUnited States
Photo coming soon

#2 Smithville

City in Tennessee

Population4,978
Coordinates35.9606200, -85.8141500
Altitude316
CountryUnited States
Start: Knoxville (-83.92074, 35.96064)
End: Smithville (-85.81415, 35.96062)

Estimated Travel Time

Distance: 206 km by road

SpeedTime
30 mph (48.3 km/h)04h 15m
40 mph (64.37 km/h)03h 11m
50 mph (80.47 km/h)02h 33m
60 mph (96.56 km/h)02h 07m
70 mph (112.65 km/h)01h 49m
80 mph (129 km/h)01h 35m

Fuel, Round Trip and CO2

Estimated fuel cost and emissions for this route.

One-way fuel
4.51 gal
17.09 L · about $17.01
Round trip
$34.01
9.02 gal · 34.18 L
Estimated CO2
40.1 kg one way
Round trip: 80.2 kg / 177 lb CO2, using regular gasoline.
Fuel$/galOne wayRound trip
Regular gas $3.77 $17.01 $34.01
Mid-grade $4.25 $19.18 $38.36
Premium $4.65 $20.99 $41.98
Diesel $5.30 $23.92 $47.84

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

Please keep in mind that there is a 1 hour time gap between Knoxville, TN and Smithville, TN. The current time in Knoxville is 22:53:35, although it is 21:53:35 in Smithville.

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.